Q: What is the sum of all factors of the number 345,680 excluding 345,680?
A: 491,320
The factors of the number 345,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 149, 232, 290, 298, 464, 580, 596, 745, 1160, 1192, 1490, 2320, 2384, 2980, 4321, 5960, 8642, 11920, 17284, 21605, 34568, 43210, 69136, 86420, 172840, 345680.
If you add them up, you will get the total of 346,171. Now subtract 345,680 to get 491,320