Q: What is the sum of all factors of the number 1,210 excluding 1,210?
A: 1,184
The factors of the number 1,210 are: 1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210.
If you add them up, you will get the total of 1,211. Now subtract 1,210 to get 1,184