90332440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{859}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 222912000

約数和(自身を除く): 132579560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 859, 956, 1195, 1718, 1912, 2390, 2629, 3436, 4295, 4780, 5258, 6872, 8590, 9449, 9560, 10516, 13145, 17180, 18898, 21032, 26290, 34360, 37796, 47245, 52580, 75592, 94490, 105160, 188980, 205301, 377960, 410602, 821204, 1026505, 1642408, 2053010, 2258311, 4106020, 4516622, 8212040, 9033244, 11291555, 18066488, 22583110, 45166220, 90332440]

約数ペア:

[(1, 90332440), (2, 45166220), (4, 22583110), (5, 18066488), (8, 11291555), (10, 9033244), (11, 8212040), (20, 4516622), (22, 4106020), (40, 2258311), (44, 2053010), (55, 1642408), (88, 1026505), (110, 821204), (220, 410602), (239, 377960), (440, 205301), (478, 188980), (859, 105160), (956, 94490), (1195, 75592), (1718, 52580), (1912, 47245), (2390, 37796), (2629, 34360), (3436, 26290), (4295, 21032), (4780, 18898), (5258, 17180), (6872, 13145), (8590, 10516), (9449, 9560)]