Q: What is the sum of all factors of the number 1,142,840 excluding 1,142,840?
A: 1,428,640
The factors of the number 1,142,840 are: 1, 2, 4, 5, 8, 10, 20, 40, 28571, 57142, 114284, 142855, 228568, 285710, 571420, 1142840.
If you add them up, you will get the total of 1,142,841. Now subtract 1,142,840 to get 1,428,640