79380290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 48

約数和(自身を含む): 164592000

約数和(自身を除く): 85211710

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 722, 1045, 1805, 1999, 2090, 3610, 3971, 3998, 7942, 9995, 19855, 19990, 21989, 37981, 39710, 43978, 75962, 109945, 189905, 219890, 379810, 417791, 721639, 835582, 1443278, 2088955, 3608195, 4177910, 7216390, 7938029, 15876058, 39690145, 79380290]

約数ペア:

[(1, 79380290), (2, 39690145), (5, 15876058), (10, 7938029), (11, 7216390), (19, 4177910), (22, 3608195), (38, 2088955), (55, 1443278), (95, 835582), (110, 721639), (190, 417791), (209, 379810), (361, 219890), (418, 189905), (722, 109945), (1045, 75962), (1805, 43978), (1999, 39710), (2090, 37981), (3610, 21989), (3971, 19990), (3998, 19855), (7942, 9995)]