Q: What is the sum of all factors of the number 764,430,420 excluding 764,430,420?

 A: 1,661,986,860

Why is 1,661,986,860 the sum of all factors of 764,430,420, excluding 764,430,420?

The factors of the number 764,430,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 14820, 51581, 103162, 154743, 206324, 257905, 309486, 515810, 618972, 670553, 773715, 980039, 1031620, 1341106, 1547430, 1960078, 2011659, 2682212, 2940117, 3094860, 3352765, 3920156, 4023318, 4900195, 5880234, 6705530, 8046636, 9800390, 10058295, 11760468, 12740507, 13411060, 14700585, 19600780, 20116590, 25481014, 29401170, 38221521, 40233180, 50962028, 58802340, 63702535, 76443042, 127405070, 152886084, 191107605, 254810140, 382215210, 764430420.

If you add them up, you will get the total of 764,430,421. Now subtract 764,430,420 to get 1,661,986,860


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