89917880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{479}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 230428800

約数和(自身を除く): 140510920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 361, 380, 479, 494, 520, 722, 760, 958, 988, 1235, 1444, 1805, 1916, 1976, 2395, 2470, 2888, 3610, 3832, 4693, 4790, 4940, 6227, 7220, 9101, 9386, 9580, 9880, 12454, 14440, 18202, 18772, 19160, 23465, 24908, 31135, 36404, 37544, 45505, 46930, 49816, 62270, 72808, 91010, 93860, 118313, 124540, 172919, 182020, 187720, 236626, 249080, 345838, 364040, 473252, 591565, 691676, 864595, 946504, 1183130, 1383352, 1729190, 2247947, 2366260, 3458380, 4495894, 4732520, 6916760, 8991788, 11239735, 17983576, 22479470, 44958940, 89917880]

約数ペア:

[(1, 89917880), (2, 44958940), (4, 22479470), (5, 17983576), (8, 11239735), (10, 8991788), (13, 6916760), (19, 4732520), (20, 4495894), (26, 3458380), (38, 2366260), (40, 2247947), (52, 1729190), (65, 1383352), (76, 1183130), (95, 946504), (104, 864595), (130, 691676), (152, 591565), (190, 473252), (247, 364040), (260, 345838), (361, 249080), (380, 236626), (479, 187720), (494, 182020), (520, 172919), (722, 124540), (760, 118313), (958, 93860), (988, 91010), (1235, 72808), (1444, 62270), (1805, 49816), (1916, 46930), (1976, 45505), (2395, 37544), (2470, 36404), (2888, 31135), (3610, 24908), (3832, 23465), (4693, 19160), (4790, 18772), (4940, 18202), (6227, 14440), (7220, 12454), (9101, 9880), (9386, 9580)]