Factors of 490
The factors of 490 are 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, and 490. In total, 490 has 12 factors. Its prime factorization is 2 × 5 × 7², and the sum of all its factors is 1026.
All factors of 490
Here are all 12 factors of 490, listed from smallest to largest.
Factor pairs of 490
These 6 pairs of whole numbers each multiply to give 490.
Prime factorization of 490
Dividing 490 by the smallest prime at each step gives its prime factorization:
The distinct prime factors of 490 are 2, 5, 7. To factorize any other number, use the prime factorization calculator.
Factor tree of 490
A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.
Properties of 490
| Number of factors | 12 |
|---|---|
| Sum of factors | 1026 |
| Sum of proper factors | 536 |
| Prime factorization | 2 × 5 × 7² |
| Prime or composite? | Composite |
| Even or odd? | Even |
| Perfect square? | No |
| Perfect cube? | No |
| Classification | Abundant |
What makes 490 interesting
- 490 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 6 different ways.
- 490 is an abundant number: its proper factors sum to 536, which is 46 more than 490 itself.
- 490 has 3 distinct prime factors (2, 5, 7), which is why it has so many divisors.
How to find the factors of 490 yourself
Divide 490 by each whole number starting from 1. Whenever the division leaves no remainder, both the divisor and the quotient are factors. You only need to test up to √490 ≈ 22.14, because every factor above that pairs with one below it.
Reading both columns gives every factor: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490. The factor calculator does this automatically for any number.
Related numbers
Numbers mathematically connected to 490.
Frequently asked questions about 490
What are the factors of 490?
Is 490 a prime number?
What is the prime factorization of 490?
What two numbers multiply to give 490?
What is the sum of the factors of 490?
Is 490 a perfect square?
What is the largest factor of 490 other than itself?
How many factors does 490 have?
Explore more
Try another number in the factor calculator, break 490 down further with the prime factorization calculator, or compare 490 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.