156665260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{412277}}^1$

素因数の和:412305

約数の個数: 24

約数和(自身を含む): 346313520

約数和(自身を除く): 189648260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 412277, 824554, 1649108, 2061385, 4122770, 7833263, 8245540, 15666526, 31333052, 39166315, 78332630, 156665260]

約数ペア:

[(1, 156665260), (2, 78332630), (4, 39166315), (5, 31333052), (10, 15666526), (19, 8245540), (20, 7833263), (38, 4122770), (76, 2061385), (95, 1649108), (190, 824554), (380, 412277)]