Q: What is the sum of all factors of the number 138,620 excluding 138,620?
A: 163,780
The factors of the number 138,620 are: 1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 239, 290, 478, 580, 956, 1195, 2390, 4780, 6931, 13862, 27724, 34655, 69310, 138620.
If you add them up, you will get the total of 138,783. Now subtract 138,620 to get 163,780