Q: What is the sum of all factors of the number 605,625 excluding 605,625?

A: 519,015

Why is 519,015 the sum of all factors of 605,625, excluding 605,625?

The factors of the number 605,625 are: 1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 125, 255, 285, 323, 375, 425, 475, 625, 969, 1275, 1425, 1615, 1875, 2125, 2375, 4845, 6375, 7125, 8075, 10625, 11875, 24225, 31875, 35625, 40375, 121125, 201875, 605625.

If you add them up, you will get the total of 606,144. Now subtract 605,625 to get 519,015