Q: What is the sum of all factors of the number 657,140 excluding 657,140?

A: 915,340

Why is 915,340 the sum of all factors of 657,140, excluding 657,140?

The factors of the number 657,140 are: 1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 103, 110, 116, 145, 206, 220, 290, 319, 412, 515, 580, 638, 1030, 1133, 1276, 1595, 2060, 2266, 2987, 3190, 4532, 5665, 5974, 6380, 11330, 11948, 14935, 22660, 29870, 32857, 59740, 65714, 131428, 164285, 328570, 657140.

If you add them up, you will get the total of 658,055. Now subtract 657,140 to get 915,340