Q: What is the sum of all factors of the number 1,258,390 excluding 1,258,390?
A: 1,330,442
The factors of the number 1,258,390 are: 1, 2, 5, 7, 10, 14, 35, 70, 17977, 35954, 89885, 125839, 179770, 251678, 629195, 1258390.
If you add them up, you will get the total of 1,258,391. Now subtract 1,258,390 to get 1,330,442