202157240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 463644000

約数和(自身を除く): 261486760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 149, 214, 298, 317, 428, 535, 596, 634, 745, 856, 1070, 1192, 1268, 1490, 1585, 2140, 2536, 2980, 3170, 4280, 5960, 6340, 12680, 15943, 31886, 33919, 47233, 63772, 67838, 79715, 94466, 127544, 135676, 159430, 169595, 188932, 236165, 271352, 318860, 339190, 377864, 472330, 637720, 678380, 944660, 1356760, 1889320, 5053931, 10107862, 20215724, 25269655, 40431448, 50539310, 101078620, 202157240]

約数ペア:

[(1, 202157240), (2, 101078620), (4, 50539310), (5, 40431448), (8, 25269655), (10, 20215724), (20, 10107862), (40, 5053931), (107, 1889320), (149, 1356760), (214, 944660), (298, 678380), (317, 637720), (428, 472330), (535, 377864), (596, 339190), (634, 318860), (745, 271352), (856, 236165), (1070, 188932), (1192, 169595), (1268, 159430), (1490, 135676), (1585, 127544), (2140, 94466), (2536, 79715), (2980, 67838), (3170, 63772), (4280, 47233), (5960, 33919), (6340, 31886), (12680, 15943)]