Q: What is the sum of all factors of the number 278,928 excluding 278,928?

A: 567,372

Why is 567,372 the sum of all factors of 278,928, excluding 278,928?

The factors of the number 278,928 are: 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 149, 156, 208, 234, 298, 312, 447, 468, 596, 624, 894, 936, 1192, 1341, 1788, 1872, 1937, 2384, 2682, 3576, 3874, 5364, 5811, 7152, 7748, 10728, 11622, 15496, 17433, 21456, 23244, 30992, 34866, 46488, 69732, 92976, 139464, 278928.

If you add them up, you will get the total of 279,495. Now subtract 278,928 to get 567,372