Q: What is the sum of all factors of the number 320,920 excluding 320,920?
A: 417,800
The factors of the number 320,920 are: 1, 2, 4, 5, 8, 10, 20, 40, 71, 113, 142, 226, 284, 355, 452, 565, 568, 710, 904, 1130, 1420, 2260, 2840, 4520, 8023, 16046, 32092, 40115, 64184, 80230, 160460, 320920.
If you add them up, you will get the total of 321,337. Now subtract 320,920 to get 417,800