Q: What is the sum of all factors of the number 139,780 excluding 139,780?
A: 165,140
The factors of the number 139,780 are: 1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 241, 290, 482, 580, 964, 1205, 2410, 4820, 6989, 13978, 27956, 34945, 69890, 139780.
If you add them up, you will get the total of 139,945. Now subtract 139,780 to get 165,140