239626640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{859}}^1$

素因数の和:1200

約数の個数: 80

約数和(自身を含む): 610407360

約数和(自身を除く): 370780720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 317, 440, 634, 859, 880, 1268, 1585, 1718, 2536, 3170, 3436, 3487, 4295, 5072, 6340, 6872, 6974, 8590, 9449, 12680, 13744, 13948, 17180, 17435, 18898, 25360, 27896, 34360, 34870, 37796, 47245, 55792, 68720, 69740, 75592, 94490, 139480, 151184, 188980, 272303, 278960, 377960, 544606, 755920, 1089212, 1361515, 2178424, 2723030, 2995333, 4356848, 5446060, 5990666, 10892120, 11981332, 14976665, 21784240, 23962664, 29953330, 47925328, 59906660, 119813320, 239626640]

約数ペア:

[(1, 239626640), (2, 119813320), (4, 59906660), (5, 47925328), (8, 29953330), (10, 23962664), (11, 21784240), (16, 14976665), (20, 11981332), (22, 10892120), (40, 5990666), (44, 5446060), (55, 4356848), (80, 2995333), (88, 2723030), (110, 2178424), (176, 1361515), (220, 1089212), (317, 755920), (440, 544606), (634, 377960), (859, 278960), (880, 272303), (1268, 188980), (1585, 151184), (1718, 139480), (2536, 94490), (3170, 75592), (3436, 69740), (3487, 68720), (4295, 55792), (5072, 47245), (6340, 37796), (6872, 34870), (6974, 34360), (8590, 27896), (9449, 25360), (12680, 18898), (13744, 17435), (13948, 17180)]