23539340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 55502496

約数和(自身を除く): 31963156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 137, 142, 220, 242, 274, 284, 355, 484, 548, 605, 685, 710, 781, 1210, 1370, 1420, 1507, 1562, 2420, 2740, 3014, 3124, 3905, 6028, 7535, 7810, 8591, 9727, 15070, 15620, 16577, 17182, 19454, 30140, 33154, 34364, 38908, 42955, 48635, 66308, 82885, 85910, 97270, 106997, 165770, 171820, 194540, 213994, 331540, 427988, 534985, 1069970, 1176967, 2139940, 2353934, 4707868, 5884835, 11769670, 23539340]

約数ペア:

[(1, 23539340), (2, 11769670), (4, 5884835), (5, 4707868), (10, 2353934), (11, 2139940), (20, 1176967), (22, 1069970), (44, 534985), (55, 427988), (71, 331540), (110, 213994), (121, 194540), (137, 171820), (142, 165770), (220, 106997), (242, 97270), (274, 85910), (284, 82885), (355, 66308), (484, 48635), (548, 42955), (605, 38908), (685, 34364), (710, 33154), (781, 30140), (1210, 19454), (1370, 17182), (1420, 16577), (1507, 15620), (1562, 15070), (2420, 9727), (2740, 8591), (3014, 7810), (3124, 7535), (3905, 6028)]