Q: What is the sum of all factors of the number 23,900 excluding 23,900?
A: 28,180
The factors of the number 23,900 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 2390, 4780, 5975, 11950, 23900.
If you add them up, you will get the total of 23,928. Now subtract 23,900 to get 28,180