208966460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{360287}}^1$

素因数の和:360325

約数の個数: 24

約数和(自身を含む): 453962880

約数和(自身を除く): 244996420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 360287, 720574, 1441148, 1801435, 3602870, 7205740, 10448323, 20896646, 41793292, 52241615, 104483230, 208966460]

約数ペア:

[(1, 208966460), (2, 104483230), (4, 52241615), (5, 41793292), (10, 20896646), (20, 10448323), (29, 7205740), (58, 3602870), (116, 1801435), (145, 1441148), (290, 720574), (580, 360287)]