Q: What is the sum of all factors of the number 128,421,890 excluding 128,421,890?
A: 102,737,530
The factors of the number 128,421,890 are: 1, 2, 5, 10, 12842189, 25684378, 64210945, 128421890.
If you add them up, you will get the total of 128,421,992. Now subtract 128,421,890 to get 102,737,530