2017829380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{306661}}^1$

素因数の和:306724

約数の個数: 48

約数和(自身を含む): 4945844736

約数和(自身を除く): 2928015356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 306661, 613322, 1226644, 1533305, 2146627, 3066610, 4293254, 6133220, 8586508, 10733135, 14413067, 21466270, 28826134, 42932540, 57652268, 72065335, 100891469, 144130670, 201782938, 288261340, 403565876, 504457345, 1008914690, 2017829380]

約数ペア:

[(1, 2017829380), (2, 1008914690), (4, 504457345), (5, 403565876), (7, 288261340), (10, 201782938), (14, 144130670), (20, 100891469), (28, 72065335), (35, 57652268), (47, 42932540), (70, 28826134), (94, 21466270), (140, 14413067), (188, 10733135), (235, 8586508), (329, 6133220), (470, 4293254), (658, 3066610), (940, 2146627), (1316, 1533305), (1645, 1226644), (3290, 613322), (6580, 306661)]