142529380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21661}}^1$

素因数の和:21724

約数の個数: 48

約数和(自身を含む): 349364736

約数和(自身を除く): 206835356

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, 21661, 43322, 86644, 108305, 151627, 216610, 303254, 433220, 606508, 758135, 1018067, 1516270, 2036134, 3032540, 4072268, 5090335, 7126469, 10180670, 14252938, 20361340, 28505876, 35632345, 71264690, 142529380]

約数ペア:

[(1, 142529380), (2, 71264690), (4, 35632345), (5, 28505876), (7, 20361340), (10, 14252938), (14, 10180670), (20, 7126469), (28, 5090335), (35, 4072268), (47, 3032540), (70, 2036134), (94, 1516270), (140, 1018067), (188, 758135), (235, 606508), (329, 433220), (470, 303254), (658, 216610), (940, 151627), (1316, 108305), (1645, 86644), (3290, 43322), (6580, 21661)]