123644020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{325379}}^1$

素因数の和:325407

約数の個数: 24

約数和(自身を含む): 273319200

約数和(自身を除く): 149675180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 325379, 650758, 1301516, 1626895, 3253790, 6182201, 6507580, 12364402, 24728804, 30911005, 61822010, 123644020]

約数ペア:

[(1, 123644020), (2, 61822010), (4, 30911005), (5, 24728804), (10, 12364402), (19, 6507580), (20, 6182201), (38, 3253790), (76, 1626895), (95, 1301516), (190, 650758), (380, 325379)]