Q: What is the sum of all factors of the number 277,057,235 excluding 277,057,235?

A: 139,891,885

Why is 139,891,885 the sum of all factors of 277,057,235, excluding 277,057,235?

The factors of the number 277,057,235 are: 1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 1855, 3445, 4823, 11489, 24115, 57445, 80423, 149357, 402115, 608917, 746785, 1045499, 3044585, 4262419, 5227495, 7915921, 21312095, 39579605, 55411447, 277057235.

If you add them up, you will get the total of 277,057,374. Now subtract 277,057,235 to get 139,891,885