Q: What is the sum of all factors of the number 407,440 excluding 407,440?

A: 628,208

Why is 628,208 the sum of all factors of 407,440, excluding 407,440?

The factors of the number 407,440 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 463, 880, 926, 1852, 2315, 3704, 4630, 5093, 7408, 9260, 10186, 18520, 20372, 25465, 37040, 40744, 50930, 81488, 101860, 203720, 407440.

If you add them up, you will get the total of 408,068. Now subtract 407,440 to get 628,208