199468280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11057}}^1$

素因数の和:11120

約数の個数: 64

約数和(自身を含む): 501590880

約数和(自身を除く): 302122600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 11057, 18040, 22114, 44228, 55285, 88456, 110570, 121627, 221140, 243254, 442280, 453337, 486508, 608135, 906674, 973016, 1216270, 1813348, 2266685, 2432540, 3626696, 4533370, 4865080, 4986707, 9066740, 9973414, 18133480, 19946828, 24933535, 39893656, 49867070, 99734140, 199468280]

約数ペア:

[(1, 199468280), (2, 99734140), (4, 49867070), (5, 39893656), (8, 24933535), (10, 19946828), (11, 18133480), (20, 9973414), (22, 9066740), (40, 4986707), (41, 4865080), (44, 4533370), (55, 3626696), (82, 2432540), (88, 2266685), (110, 1813348), (164, 1216270), (205, 973016), (220, 906674), (328, 608135), (410, 486508), (440, 453337), (451, 442280), (820, 243254), (902, 221140), (1640, 121627), (1804, 110570), (2255, 88456), (3608, 55285), (4510, 44228), (9020, 22114), (11057, 18040)]