Q: What is the sum of all factors of the number 616,390 excluding 616,390?
A: 515,018
The factors of the number 616,390 are: 1, 2, 5, 10, 53, 106, 265, 530, 1163, 2326, 5815, 11630, 61639, 123278, 308195, 616390.
If you add them up, you will get the total of 616,905. Now subtract 616,390 to get 515,018