69948100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{16267}}^1$

素因数の和:16324

約数の個数: 36

約数和(自身を含む): 155326864

約数和(自身を除く): 85378764

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 16267, 32534, 65068, 81335, 162670, 325340, 406675, 699481, 813350, 1398962, 1626700, 2797924, 3497405, 6994810, 13989620, 17487025, 34974050, 69948100]

約数ペア:

[(1, 69948100), (2, 34974050), (4, 17487025), (5, 13989620), (10, 6994810), (20, 3497405), (25, 2797924), (43, 1626700), (50, 1398962), (86, 813350), (100, 699481), (172, 406675), (215, 325340), (430, 162670), (860, 81335), (1075, 65068), (2150, 32534), (4300, 16267)]