289687640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{11159}}^1$

素因数の和:11240

約数の個数: 64

約数和(自身を含む): 723168000

約数和(自身を除く): 433480360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 3245, 5192, 6490, 11159, 12980, 22318, 25960, 44636, 55795, 89272, 111590, 122749, 223180, 245498, 446360, 490996, 613745, 658381, 981992, 1227490, 1316762, 2454980, 2633524, 3291905, 4909960, 5267048, 6583810, 7242191, 13167620, 14484382, 26335240, 28968764, 36210955, 57937528, 72421910, 144843820, 289687640]

約数ペア:

[(1, 289687640), (2, 144843820), (4, 72421910), (5, 57937528), (8, 36210955), (10, 28968764), (11, 26335240), (20, 14484382), (22, 13167620), (40, 7242191), (44, 6583810), (55, 5267048), (59, 4909960), (88, 3291905), (110, 2633524), (118, 2454980), (220, 1316762), (236, 1227490), (295, 981992), (440, 658381), (472, 613745), (590, 490996), (649, 446360), (1180, 245498), (1298, 223180), (2360, 122749), (2596, 111590), (3245, 89272), (5192, 55795), (6490, 44636), (11159, 25960), (12980, 22318)]