Q: What is the sum of all factors of the number 879,998 excluding 879,998?
A: 640,642
The factors of the number 879,998 are: 1, 2, 7, 14, 239, 263, 478, 526, 1673, 1841, 3346, 3682, 62857, 125714, 439999, 879998.
If you add them up, you will get the total of 880,638. Now subtract 879,998 to get 640,642