388640345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1\times {\mathrm{2099}}^1$

素因数の和:4072

約数の個数: 16

約数和(自身を含む): 491400000

約数和(自身を除く): 102759655

約数列:

[1, 5, 19, 95, 1949, 2099, 9745, 10495, 37031, 39881, 185155, 199405, 4090951, 20454755, 77728069, 388640345]

約数ペア:

[(1, 388640345), (5, 77728069), (19, 20454755), (95, 4090951), (1949, 199405), (2099, 185155), (9745, 39881), (10495, 37031)]