Q: What is the sum of all factors of the number 331,390 excluding 331,390?
A: 284,930
The factors of the number 331,390 are: 1, 2, 5, 10, 31, 62, 155, 310, 1069, 2138, 5345, 10690, 33139, 66278, 165695, 331390.
If you add them up, you will get the total of 331,674. Now subtract 331,390 to get 284,930