Q: What is the sum of all factors of the number 2,143,290 excluding 2,143,290?
A: 3,000,678
The factors of the number 2,143,290 are: 1, 2, 3, 5, 6, 10, 15, 30, 71443, 142886, 214329, 357215, 428658, 714430, 1071645, 2143290.
If you add them up, you will get the total of 2,143,293. Now subtract 2,143,290 to get 3,000,678