Q: What is the sum of all factors of the number 689,500 excluding 689,500?

A: 1,040,228

Why is 1,040,228 the sum of all factors of 689,500, excluding 689,500?

The factors of the number 689,500 are: 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 197, 250, 350, 394, 500, 700, 788, 875, 985, 1379, 1750, 1970, 2758, 3500, 3940, 4925, 5516, 6895, 9850, 13790, 19700, 24625, 27580, 34475, 49250, 68950, 98500, 137900, 172375, 344750, 689500.

If you add them up, you will get the total of 689,501. Now subtract 689,500 to get 1,040,228