Q: What is the sum of all factors of the number 78,390 excluding 78,390?
A: 144,378
The factors of the number 78,390 are: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 67, 78, 90, 117, 130, 134, 195, 201, 234, 335, 390, 402, 585, 603, 670, 871, 1005, 1170, 1206, 1742, 2010, 2613, 3015, 4355, 5226, 6030, 7839, 8710, 13065, 15678, 26130, 39195, 78390.
If you add them up, you will get the total of 78,534. Now subtract 78,390 to get 144,378