Q: What is the sum of all factors of the number 138,380 excluding 138,380?

A: 206,356

Why is 206,356 the sum of all factors of 138,380, excluding 138,380?

The factors of the number 138,380 are: 1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 37, 44, 55, 68, 74, 85, 110, 148, 170, 185, 187, 220, 340, 370, 374, 407, 629, 740, 748, 814, 935, 1258, 1628, 1870, 2035, 2516, 3145, 3740, 4070, 6290, 6919, 8140, 12580, 13838, 27676, 34595, 69190, 138380.

If you add them up, you will get the total of 138,586. Now subtract 138,380 to get 206,356