201497180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{72481}}^1$

素因数の和:72629

約数の個数: 24

約数和(自身を含む): 426194160

約数和(自身を除く): 224696980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 72481, 144962, 289924, 362405, 724810, 1449620, 10074859, 20149718, 40299436, 50374295, 100748590, 201497180]

約数ペア:

[(1, 201497180), (2, 100748590), (4, 50374295), (5, 40299436), (10, 20149718), (20, 10074859), (139, 1449620), (278, 724810), (556, 362405), (695, 289924), (1390, 144962), (2780, 72481)]