2449180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 5186160

約数和(自身を除く): 2736980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 881, 1390, 1762, 2780, 3524, 4405, 8810, 17620, 122459, 244918, 489836, 612295, 1224590, 2449180]

約数ペア:

[(1, 2449180), (2, 1224590), (4, 612295), (5, 489836), (10, 244918), (20, 122459), (139, 17620), (278, 8810), (556, 4405), (695, 3524), (881, 2780), (1390, 1762)]