Q: What is the sum of all factors of the number 1,291,940 excluding 1,291,940?
A: 1,630,420
The factors of the number 1,291,940 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4969, 9938, 19876, 24845, 49690, 64597, 99380, 129194, 258388, 322985, 645970, 1291940.
If you add them up, you will get the total of 1,291,941. Now subtract 1,291,940 to get 1,630,420