Q: What is the sum of all factors of the number 172,840 excluding 172,840?
A: 232,160
The factors of the number 172,840 are: 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 580, 596, 745, 1160, 1192, 1490, 2980, 4321, 5960, 8642, 17284, 21605, 34568, 43210, 86420, 172840.
If you add them up, you will get the total of 173,072. Now subtract 172,840 to get 232,160