Q: What is the sum of all factors of the number 313,280 excluding 313,280?

A: 509,680

Why is 509,680 the sum of all factors of 313,280, excluding 313,280?

The factors of the number 313,280 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 160, 176, 178, 220, 320, 352, 356, 440, 445, 704, 712, 880, 890, 979, 1424, 1760, 1780, 1958, 2848, 3520, 3560, 3916, 4895, 5696, 7120, 7832, 9790, 14240, 15664, 19580, 28480, 31328, 39160, 62656, 78320, 156640, 313280.

If you add them up, you will get the total of 313,789. Now subtract 313,280 to get 509,680