Q: What is the sum of all factors of the number 64,890 excluding 64,890?
A: 129,798
The factors of the number 64,890 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 103, 105, 126, 206, 210, 309, 315, 515, 618, 630, 721, 927, 1030, 1442, 1545, 1854, 2163, 3090, 3605, 4326, 4635, 6489, 7210, 9270, 10815, 12978, 21630, 32445, 64890.
If you add them up, you will get the total of 65,019. Now subtract 64,890 to get 129,798