Q: What is the sum of all factors of the number 900,090 excluding 900,090?

A: 1,489,518

Why is 1,489,518 the sum of all factors of 900,090, excluding 900,090?

The factors of the number 900,090 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 137, 146, 219, 274, 365, 411, 438, 657, 685, 730, 822, 1095, 1233, 1314, 1370, 2055, 2190, 2466, 3285, 4110, 6165, 6570, 10001, 12330, 20002, 30003, 50005, 60006, 90009, 100010, 150015, 180018, 300030, 450045, 900090.

If you add them up, you will get the total of 900,091. Now subtract 900,090 to get 1,489,518