208766080

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2381}}^1$

素因数の和:2537

約数の個数: 64

約数和(自身を含む): 502935480

約数和(自身を除く): 294169400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 1096, 1370, 2192, 2381, 2740, 4384, 4762, 5480, 8768, 9524, 10960, 11905, 17536, 19048, 21920, 23810, 38096, 43840, 47620, 76192, 87680, 95240, 152384, 190480, 304768, 326197, 380960, 652394, 761920, 1304788, 1523840, 1630985, 2609576, 3261970, 5219152, 6523940, 10438304, 13047880, 20876608, 26095760, 41753216, 52191520, 104383040, 208766080]

約数ペア:

[(1, 208766080), (2, 104383040), (4, 52191520), (5, 41753216), (8, 26095760), (10, 20876608), (16, 13047880), (20, 10438304), (32, 6523940), (40, 5219152), (64, 3261970), (80, 2609576), (128, 1630985), (137, 1523840), (160, 1304788), (274, 761920), (320, 652394), (548, 380960), (640, 326197), (685, 304768), (1096, 190480), (1370, 152384), (2192, 95240), (2381, 87680), (2740, 76192), (4384, 47620), (4762, 43840), (5480, 38096), (8768, 23810), (9524, 21920), (10960, 19048), (11905, 17536)]