Q: What is the sum of all factors of the number 678,500 excluding 678,500?

A: 893,980

Why is 893,980 the sum of all factors of 678,500, excluding 678,500?

The factors of the number 678,500 are: 1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 59, 92, 100, 115, 118, 125, 230, 236, 250, 295, 460, 500, 575, 590, 1150, 1180, 1357, 1475, 2300, 2714, 2875, 2950, 5428, 5750, 5900, 6785, 7375, 11500, 13570, 14750, 27140, 29500, 33925, 67850, 135700, 169625, 339250, 678500.

If you add them up, you will get the total of 679,393. Now subtract 678,500 to get 893,980