858704240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{564937}}^1$

素因数の和:564969

約数の個数: 40

約数和(自身を含む): 2101569360

約数和(自身を除く): 1242865120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 564937, 1129874, 2259748, 2824685, 4519496, 5649370, 9038992, 10733803, 11298740, 21467606, 22597480, 42935212, 45194960, 53669015, 85870424, 107338030, 171740848, 214676060, 429352120, 858704240]

約数ペア:

[(1, 858704240), (2, 429352120), (4, 214676060), (5, 171740848), (8, 107338030), (10, 85870424), (16, 53669015), (19, 45194960), (20, 42935212), (38, 22597480), (40, 21467606), (76, 11298740), (80, 10733803), (95, 9038992), (152, 5649370), (190, 4519496), (304, 2824685), (380, 2259748), (760, 1129874), (1520, 564937)]