Q: What is the sum of all factors of the number 280,000 excluding 280,000?

A: 513,496

Why is 513,496 the sum of all factors of 280,000, excluding 280,000?

The factors of the number 280,000 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1600, 1750, 2000, 2240, 2500, 2800, 3500, 4000, 4375, 5000, 5600, 7000, 8000, 8750, 10000, 11200, 14000, 17500, 20000, 28000, 35000, 40000, 56000, 70000, 140000, 280000.

If you add them up, you will get the total of 280,513. Now subtract 280,000 to get 513,496