396441569180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{142604881}}^1$

素因数の和:142605029

約数の個数: 24

約数和(自身を含む): 838516706160

約数和(自身を除く): 442075136980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 142604881, 285209762, 570419524, 713024405, 1426048810, 2852097620, 19822078459, 39644156918, 79288313836, 99110392295, 198220784590, 396441569180]

約数ペア:

[(1, 396441569180), (2, 198220784590), (4, 99110392295), (5, 79288313836), (10, 39644156918), (20, 19822078459), (139, 2852097620), (278, 1426048810), (556, 713024405), (695, 570419524), (1390, 285209762), (2780, 142604881)]