Q: What is the sum of all factors of the number 31,390 excluding 31,390?
A: 27,218
The factors of the number 31,390 are: 1, 2, 5, 10, 43, 73, 86, 146, 215, 365, 430, 730, 3139, 6278, 15695, 31390.
If you add them up, you will get the total of 31,417. Now subtract 31,390 to get 27,218