42987880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 110413800

約数和(自身を除く): 67425920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 229, 247, 260, 361, 380, 458, 494, 520, 722, 760, 916, 988, 1145, 1235, 1444, 1805, 1832, 1976, 2290, 2470, 2888, 2977, 3610, 4351, 4580, 4693, 4940, 5954, 7220, 8702, 9160, 9386, 9880, 11908, 14440, 14885, 17404, 18772, 21755, 23465, 23816, 29770, 34808, 37544, 43510, 46930, 56563, 59540, 82669, 87020, 93860, 113126, 119080, 165338, 174040, 187720, 226252, 282815, 330676, 413345, 452504, 565630, 661352, 826690, 1074697, 1131260, 1653380, 2149394, 2262520, 3306760, 4298788, 5373485, 8597576, 10746970, 21493940, 42987880]

約数ペア:

[(1, 42987880), (2, 21493940), (4, 10746970), (5, 8597576), (8, 5373485), (10, 4298788), (13, 3306760), (19, 2262520), (20, 2149394), (26, 1653380), (38, 1131260), (40, 1074697), (52, 826690), (65, 661352), (76, 565630), (95, 452504), (104, 413345), (130, 330676), (152, 282815), (190, 226252), (229, 187720), (247, 174040), (260, 165338), (361, 119080), (380, 113126), (458, 93860), (494, 87020), (520, 82669), (722, 59540), (760, 56563), (916, 46930), (988, 43510), (1145, 37544), (1235, 34808), (1444, 29770), (1805, 23816), (1832, 23465), (1976, 21755), (2290, 18772), (2470, 17404), (2888, 14885), (2977, 14440), (3610, 11908), (4351, 9880), (4580, 9386), (4693, 9160), (4940, 8702), (5954, 7220)]