Q: What is the sum of all factors of the number 342,400 excluding 342,400?

A: 511,340

Why is 511,340 the sum of all factors of 342,400, excluding 342,400?

The factors of the number 342,400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 128, 160, 200, 214, 320, 400, 428, 535, 640, 800, 856, 1070, 1600, 1712, 2140, 2675, 3200, 3424, 4280, 5350, 6848, 8560, 10700, 13696, 17120, 21400, 34240, 42800, 68480, 85600, 171200, 342400.

If you add them up, you will get the total of 342,911. Now subtract 342,400 to get 511,340