Q: What is the sum of all factors of the number 530,705,625 excluding 530,705,625?

A: 400,121,415

Why is 400,121,415 the sum of all factors of 530,705,625, excluding 530,705,625?

The factors of the number 530,705,625 are: 1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 625, 1425, 1875, 2375, 7125, 11875, 14897, 35625, 44691, 74485, 223455, 283043, 372425, 849129, 1117275, 1415215, 1862125, 4245645, 5586375, 7076075, 9310625, 21228225, 27931875, 35380375, 106141125, 176901875, 530705625.

If you add them up, you will get the total of 530,706,025. Now subtract 530,705,625 to get 400,121,415