Q: What is the sum of all factors of the number 1,521,290 excluding 1,521,290?
A: 1,238,110
The factors of the number 1,521,290 are: 1, 2, 5, 10, 149, 298, 745, 1021, 1490, 2042, 5105, 10210, 152129, 304258, 760645, 1521290.
If you add them up, you will get the total of 1,521,291. Now subtract 1,521,290 to get 1,238,110