Q: What is the sum of all factors of the number 1,986,890 excluding 1,986,890?
A: 1,589,530
The factors of the number 1,986,890 are: 1, 2, 5, 10, 198689, 397378, 993445, 1986890.
If you add them up, you will get the total of 1,986,891. Now subtract 1,986,890 to get 1,589,530