Q: What is the sum of all factors of the number 1,980,890 excluding 1,980,890?
A: 1,618,318
The factors of the number 1,980,890 are: 1, 2, 5, 10, 113, 226, 565, 1130, 1753, 3506, 8765, 17530, 198089, 396178, 990445, 1980890.
If you add them up, you will get the total of 1,980,891. Now subtract 1,980,890 to get 1,618,318