Q: What is the sum of all factors of the number 390,975 excluding 390,975?
A: 306,897
The factors of the number 390,975 are: 1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 401, 975, 1203, 2005, 5213, 6015, 10025, 15639, 26065, 30075, 78195, 130325, 390975.
If you add them up, you will get the total of 391,281. Now subtract 390,975 to get 306,897