211557920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{188891}}^1$

素因数の和:188913

約数の個数: 48

約数和(自身を含む): 571209408

約数和(自身を除く): 359651488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 188891, 377782, 755564, 944455, 1322237, 1511128, 1888910, 2644474, 3022256, 3777820, 5288948, 6044512, 6611185, 7555640, 10577896, 13222370, 15111280, 21155792, 26444740, 30222560, 42311584, 52889480, 105778960, 211557920]

約数ペア:

[(1, 211557920), (2, 105778960), (4, 52889480), (5, 42311584), (7, 30222560), (8, 26444740), (10, 21155792), (14, 15111280), (16, 13222370), (20, 10577896), (28, 7555640), (32, 6611185), (35, 6044512), (40, 5288948), (56, 3777820), (70, 3022256), (80, 2644474), (112, 1888910), (140, 1511128), (160, 1322237), (224, 944455), (280, 755564), (560, 377782), (1120, 188891)]