Q: What is the sum of all factors of the number 420,342 excluding 420,342?
A: 541,290
The factors of the number 420,342 are: 1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 317, 442, 634, 663, 951, 1326, 1902, 4121, 5389, 8242, 10778, 12363, 16167, 24726, 32334, 70057, 140114, 210171, 420342.
If you add them up, you will get the total of 420,883. Now subtract 420,342 to get 541,290