Q: What is the sum of all factors of the number 1,561,970 excluding 1,561,970?
A: 1,277,350
The factors of the number 1,561,970 are: 1, 2, 5, 10, 109, 218, 545, 1090, 1433, 2866, 7165, 14330, 156197, 312394, 780985, 1561970.
If you add them up, you will get the total of 1,561,971. Now subtract 1,561,970 to get 1,277,350