Q: What is the sum of all factors of the number 1,278,290 excluding 1,278,290?
A: 1,199,878
The factors of the number 1,278,290 are: 1, 2, 5, 10, 13, 26, 65, 130, 9833, 19666, 49165, 98330, 127829, 255658, 639145, 1278290.
If you add them up, you will get the total of 1,278,291. Now subtract 1,278,290 to get 1,199,878