Q: What is the sum of all factors of the number 1,590 excluding 1,590?
A: 2,298
The factors of the number 1,590 are: 1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590.
If you add them up, you will get the total of 1,592. Now subtract 1,590 to get 2,298