Q: What is the sum of all factors of the number 402,990 excluding 402,990?
A: 772,050
The factors of the number 402,990 are: 1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 101, 105, 114, 133, 190, 202, 210, 266, 285, 303, 399, 505, 570, 606, 665, 707, 798, 1010, 1330, 1414, 1515, 1919, 1995, 2121, 3030, 3535, 3838, 3990, 4242, 5757, 7070, 9595, 10605, 11514, 13433, 19190, 21210, 26866, 28785, 40299, 57570, 67165, 80598, 134330, 201495, 402990.
If you add them up, you will get the total of 403,762. Now subtract 402,990 to get 772,050