Q: What is the sum of all factors of the number 2,490 excluding 2,490?
A: 3,558
The factors of the number 2,490 are: 1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490.
If you add them up, you will get the total of 2,493. Now subtract 2,490 to get 3,558