Q: What is the sum of all factors of the number 665,133,100 excluding 665,133,100?

A: 786,586,484

Why is 786,586,484 the sum of all factors of 665,133,100, excluding 665,133,100?

The factors of the number 665,133,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 346, 692, 865, 1730, 3460, 4325, 8650, 17300, 38447, 76894, 153788, 192235, 384470, 768940, 961175, 1922350, 3844700, 6651331, 13302662, 26605324, 33256655, 66513310, 133026620, 166283275, 332566550, 665133100.

If you add them up, you will get the total of 665,133,886. Now subtract 665,133,100 to get 786,586,484