Q: What is the sum of all factors of the number 413,980 excluding 413,980?
A: 579,908
The factors of the number 413,980 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2957, 5914, 11828, 14785, 20699, 29570, 41398, 59140, 82796, 103495, 206990, 413980.
If you add them up, you will get the total of 414,559. Now subtract 413,980 to get 579,908