Q: What is the sum of all factors of the number 308,280 excluding 308,280?

A: 751,560

Why is 751,560 the sum of all factors of 308,280, excluding 308,280?

The factors of the number 308,280 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 367, 420, 734, 840, 1101, 1468, 1835, 2202, 2569, 2936, 3670, 4404, 5138, 5505, 7340, 7707, 8808, 10276, 11010, 12845, 14680, 15414, 20552, 22020, 25690, 30828, 38535, 44040, 51380, 61656, 77070, 102760, 154140, 308280.

If you add them up, you will get the total of 309,031. Now subtract 308,280 to get 751,560