Q: What is the sum of all factors of the number 657,240,600 excluding 657,240,600?

A: 1,380,207,120

Why is 1,380,207,120 the sum of all factors of 657,240,600, excluding 657,240,600?

The factors of the number 657,240,600 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 1095401, 2190802, 3286203, 4381604, 5477005, 6572406, 8763208, 10954010, 13144812, 16431015, 21908020, 26289624, 27385025, 32862030, 43816040, 54770050, 65724060, 82155075, 109540100, 131448120, 164310150, 219080200, 328620300, 657240600.

If you add them up, you will get the total of 657,240,601. Now subtract 657,240,600 to get 1,380,207,120