Q: What is the sum of all factors of the number 402,540 excluding 402,540?
A: 724,740
The factors of the number 402,540 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6709, 13418, 20127, 26836, 33545, 40254, 67090, 80508, 100635, 134180, 201270, 402540.
If you add them up, you will get the total of 403,264. Now subtract 402,540 to get 724,740