413793680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 982865664

約数和(自身を除く): 569071984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 263, 277, 284, 355, 526, 554, 568, 710, 1052, 1108, 1136, 1315, 1385, 1420, 2104, 2216, 2630, 2770, 2840, 4208, 4432, 5260, 5540, 5680, 10520, 11080, 18673, 19667, 21040, 22160, 37346, 39334, 72851, 74692, 78668, 93365, 98335, 145702, 149384, 157336, 186730, 196670, 291404, 298768, 314672, 364255, 373460, 393340, 582808, 728510, 746920, 786680, 1165616, 1457020, 1493840, 1573360, 2914040, 5172421, 5828080, 10344842, 20689684, 25862105, 41379368, 51724210, 82758736, 103448420, 206896840, 413793680]

約数ペア:

[(1, 413793680), (2, 206896840), (4, 103448420), (5, 82758736), (8, 51724210), (10, 41379368), (16, 25862105), (20, 20689684), (40, 10344842), (71, 5828080), (80, 5172421), (142, 2914040), (263, 1573360), (277, 1493840), (284, 1457020), (355, 1165616), (526, 786680), (554, 746920), (568, 728510), (710, 582808), (1052, 393340), (1108, 373460), (1136, 364255), (1315, 314672), (1385, 298768), (1420, 291404), (2104, 196670), (2216, 186730), (2630, 157336), (2770, 149384), (2840, 145702), (4208, 98335), (4432, 93365), (5260, 78668), (5540, 74692), (5680, 72851), (10520, 39334), (11080, 37346), (18673, 22160), (19667, 21040)]