156918211640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1319}}^1\times {\mathrm{19961}}^1$

素因数の和:21440

約数の個数: 64

約数和(自身を含む): 355722840000

約数和(自身を除く): 198804628360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1319, 1490, 2638, 2980, 5276, 5960, 6595, 10552, 13190, 19961, 26380, 39922, 52760, 79844, 99805, 159688, 196531, 199610, 393062, 399220, 786124, 798440, 982655, 1572248, 1965310, 2974189, 3930620, 5948378, 7861240, 11896756, 14870945, 23793512, 26328559, 29741890, 52657118, 59483780, 105314236, 118967560, 131642795, 210628472, 263285590, 526571180, 1053142360, 3922955291, 7845910582, 15691821164, 19614776455, 31383642328, 39229552910, 78459105820, 156918211640]

約数ペア:

[(1, 156918211640), (2, 78459105820), (4, 39229552910), (5, 31383642328), (8, 19614776455), (10, 15691821164), (20, 7845910582), (40, 3922955291), (149, 1053142360), (298, 526571180), (596, 263285590), (745, 210628472), (1192, 131642795), (1319, 118967560), (1490, 105314236), (2638, 59483780), (2980, 52657118), (5276, 29741890), (5960, 26328559), (6595, 23793512), (10552, 14870945), (13190, 11896756), (19961, 7861240), (26380, 5948378), (39922, 3930620), (52760, 2974189), (79844, 1965310), (99805, 1572248), (159688, 982655), (196531, 798440), (199610, 786124), (393062, 399220)]