400492070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5179}}^1$

素因数の和:5253

約数の個数: 64

約数和(自身を含む): 850348800

約数和(自身を除く): 449856730

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 74, 95, 110, 185, 190, 209, 370, 407, 418, 703, 814, 1045, 1406, 2035, 2090, 3515, 4070, 5179, 7030, 7733, 10358, 15466, 25895, 38665, 51790, 56969, 77330, 98401, 113938, 191623, 196802, 284845, 383246, 492005, 569690, 958115, 984010, 1082411, 1916230, 2107853, 2164822, 3640837, 4215706, 5412055, 7281674, 10539265, 10824110, 18204185, 21078530, 36408370, 40049207, 80098414, 200246035, 400492070]

約数ペア:

[(1, 400492070), (2, 200246035), (5, 80098414), (10, 40049207), (11, 36408370), (19, 21078530), (22, 18204185), (37, 10824110), (38, 10539265), (55, 7281674), (74, 5412055), (95, 4215706), (110, 3640837), (185, 2164822), (190, 2107853), (209, 1916230), (370, 1082411), (407, 984010), (418, 958115), (703, 569690), (814, 492005), (1045, 383246), (1406, 284845), (2035, 196802), (2090, 191623), (3515, 113938), (4070, 98401), (5179, 77330), (7030, 56969), (7733, 51790), (10358, 38665), (15466, 25895)]