Q: What is the sum of all factors of the number 3,550 excluding 3,550?
A: 3,146
The factors of the number 3,550 are: 1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550.
If you add them up, you will get the total of 3,553. Now subtract 3,550 to get 3,146