Q: What is the sum of all factors of the number 156,390 excluding 156,390?
A: 248,826
The factors of the number 156,390 are: 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 401, 802, 1203, 2005, 2406, 4010, 5213, 6015, 10426, 12030, 15639, 26065, 31278, 52130, 78195, 156390.
If you add them up, you will get the total of 156,638. Now subtract 156,390 to get 248,826