Q: What is the sum of all factors of the number 251,980 excluding 251,980?
A: 291,332
The factors of the number 251,980 are: 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 293, 430, 586, 860, 1172, 1465, 2930, 5860, 12599, 25198, 50396, 62995, 125990, 251980.
If you add them up, you will get the total of 252,271. Now subtract 251,980 to get 291,332