Q: What is the sum of all factors of the number 203,680 excluding 203,680?

A: 310,400

Why is 310,400 the sum of all factors of 203,680, excluding 203,680?

The factors of the number 203,680 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 67, 76, 80, 95, 134, 152, 160, 190, 268, 304, 335, 380, 536, 608, 670, 760, 1072, 1273, 1340, 1520, 2144, 2546, 2680, 3040, 5092, 5360, 6365, 10184, 10720, 12730, 20368, 25460, 40736, 50920, 101840, 203680.

If you add them up, you will get the total of 203,990. Now subtract 203,680 to get 310,400