Q: What is the sum of all factors of the number 171,840 excluding 171,840?

A: 376,800

Why is 376,800 the sum of all factors of 171,840, excluding 171,840?

The factors of the number 171,840 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 179, 192, 240, 320, 358, 480, 537, 716, 895, 960, 1074, 1432, 1790, 2148, 2685, 2864, 3580, 4296, 5370, 5728, 7160, 8592, 10740, 11456, 14320, 17184, 21480, 28640, 34368, 42960, 57280, 85920, 171840.

If you add them up, you will get the total of 172,216. Now subtract 171,840 to get 376,800