Q: What is the sum of all factors of the number 266,320,620 excluding 266,320,620?

A: 541,519,140

Why is 541,519,140 the sum of all factors of 266,320,620, excluding 266,320,620?

The factors of the number 266,320,620 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1479559, 2959118, 4438677, 5918236, 7397795, 8877354, 13316031, 14795590, 17754708, 22193385, 26632062, 29591180, 44386770, 53264124, 66580155, 88773540, 133160310, 266320620.

If you add them up, you will get the total of 266,321,161. Now subtract 266,320,620 to get 541,519,140