Q: What is the sum of all factors of the number 296,780 excluding 296,780?

A: 428,980

Why is 428,980 the sum of all factors of 296,780, excluding 296,780?

The factors of the number 296,780 are: 1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 142, 190, 209, 220, 284, 355, 380, 418, 710, 781, 836, 1045, 1349, 1420, 1562, 2090, 2698, 3124, 3905, 4180, 5396, 6745, 7810, 13490, 14839, 15620, 26980, 29678, 59356, 74195, 148390, 296780.

If you add them up, you will get the total of 297,208. Now subtract 296,780 to get 428,980