206772140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{65851}}^1$

素因数の和:66017

約数の個数: 24

約数和(自身を含む): 436993872

約数和(自身を除く): 230221732

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 65851, 131702, 263404, 329255, 658510, 1317020, 10338607, 20677214, 41354428, 51693035, 103386070, 206772140]

約数ペア:

[(1, 206772140), (2, 103386070), (4, 51693035), (5, 41354428), (10, 20677214), (20, 10338607), (157, 1317020), (314, 658510), (628, 329255), (785, 263404), (1570, 131702), (3140, 65851)]