84839920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 216637920

約数和(自身を除く): 131798000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 229, 421, 440, 458, 842, 880, 916, 1145, 1684, 1832, 2105, 2290, 2519, 3368, 3664, 4210, 4580, 4631, 5038, 6736, 8420, 9160, 9262, 10076, 12595, 16840, 18320, 18524, 20152, 23155, 25190, 33680, 37048, 40304, 46310, 50380, 74096, 92620, 96409, 100760, 185240, 192818, 201520, 370480, 385636, 482045, 771272, 964090, 1060499, 1542544, 1928180, 2120998, 3856360, 4241996, 5302495, 7712720, 8483992, 10604990, 16967984, 21209980, 42419960, 84839920]

約数ペア:

[(1, 84839920), (2, 42419960), (4, 21209980), (5, 16967984), (8, 10604990), (10, 8483992), (11, 7712720), (16, 5302495), (20, 4241996), (22, 3856360), (40, 2120998), (44, 1928180), (55, 1542544), (80, 1060499), (88, 964090), (110, 771272), (176, 482045), (220, 385636), (229, 370480), (421, 201520), (440, 192818), (458, 185240), (842, 100760), (880, 96409), (916, 92620), (1145, 74096), (1684, 50380), (1832, 46310), (2105, 40304), (2290, 37048), (2519, 33680), (3368, 25190), (3664, 23155), (4210, 20152), (4580, 18524), (4631, 18320), (5038, 16840), (6736, 12595), (8420, 10076), (9160, 9262)]