Q: What is the sum of all factors of the number 3,390 excluding 3,390?
A: 4,818
The factors of the number 3,390 are: 1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 678, 1130, 1695, 3390.
If you add them up, you will get the total of 3,394. Now subtract 3,390 to get 4,818