Q: What is the sum of all factors of the number 260,780 excluding 260,780?

A: 374,260

Why is 374,260 the sum of all factors of 260,780, excluding 260,780?

The factors of the number 260,780 are: 1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 59, 65, 68, 85, 118, 130, 170, 221, 236, 260, 295, 340, 442, 590, 767, 884, 1003, 1105, 1180, 1534, 2006, 2210, 3068, 3835, 4012, 4420, 5015, 7670, 10030, 13039, 15340, 20060, 26078, 52156, 65195, 130390, 260780.

If you add them up, you will get the total of 261,154. Now subtract 260,780 to get 374,260