Q: What is the sum of all factors of the number 1,000,390 excluding 1,000,390?
A: 826,970
The factors of the number 1,000,390 are: 1, 2, 5, 10, 71, 142, 355, 710, 1409, 2818, 7045, 14090, 100039, 200078, 500195, 1000390.
If you add them up, you will get the total of 1,001,216. Now subtract 1,000,390 to get 826,970