Q: What is the sum of all factors of the number 3,950 excluding 3,950?
A: 3,490
The factors of the number 3,950 are: 1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950.
If you add them up, you will get the total of 3,953. Now subtract 3,950 to get 3,490