243215740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{282809}}^1$

素因数の和:282861

約数の個数: 24

約数和(自身を含む): 522632880

約数和(自身を除く): 279417140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 282809, 565618, 1131236, 1414045, 2828090, 5656180, 12160787, 24321574, 48643148, 60803935, 121607870, 243215740]

約数ペア:

[(1, 243215740), (2, 121607870), (4, 60803935), (5, 48643148), (10, 24321574), (20, 12160787), (43, 5656180), (86, 2828090), (172, 1414045), (215, 1131236), (430, 565618), (860, 282809)]