Q: What is the sum of all factors of the number 15,390 excluding 15,390?
A: 28,170
The factors of the number 15,390 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1539, 1710, 2565, 3078, 5130, 7695, 15390.
If you add them up, you will get the total of 15,418. Now subtract 15,390 to get 28,170