11172920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 27907200

約数和(自身を除く): 16734280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 379, 440, 536, 670, 737, 758, 1340, 1474, 1516, 1895, 2680, 2948, 3032, 3685, 3790, 4169, 5896, 7370, 7580, 8338, 14740, 15160, 16676, 20845, 25393, 29480, 33352, 41690, 50786, 83380, 101572, 126965, 166760, 203144, 253930, 279323, 507860, 558646, 1015720, 1117292, 1396615, 2234584, 2793230, 5586460, 11172920]

約数ペア:

[(1, 11172920), (2, 5586460), (4, 2793230), (5, 2234584), (8, 1396615), (10, 1117292), (11, 1015720), (20, 558646), (22, 507860), (40, 279323), (44, 253930), (55, 203144), (67, 166760), (88, 126965), (110, 101572), (134, 83380), (220, 50786), (268, 41690), (335, 33352), (379, 29480), (440, 25393), (536, 20845), (670, 16676), (737, 15160), (758, 14740), (1340, 8338), (1474, 7580), (1516, 7370), (1895, 5896), (2680, 4169), (2948, 3790), (3032, 3685)]