Q: What is the sum of all factors of the number 259,140 excluding 259,140?

A: 571,452

Why is 571,452 the sum of all factors of 259,140, excluding 259,140?

The factors of the number 259,140 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 617, 1234, 1851, 2468, 3085, 3702, 4319, 6170, 7404, 8638, 9255, 12340, 12957, 17276, 18510, 21595, 25914, 37020, 43190, 51828, 64785, 86380, 129570, 259140.

If you add them up, you will get the total of 259,711. Now subtract 259,140 to get 571,452