Q: What is the sum of all factors of the number 212,890 excluding 212,890?
A: 177,710
The factors of the number 212,890 are: 1, 2, 5, 10, 61, 122, 305, 349, 610, 698, 1745, 3490, 21289, 42578, 106445, 212890.
If you add them up, you will get the total of 213,067. Now subtract 212,890 to get 177,710