388014580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1021091}}^1$

素因数の和:1021119

約数の個数: 24

約数和(自身を含む): 857717280

約数和(自身を除く): 469702700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1021091, 2042182, 4084364, 5105455, 10210910, 19400729, 20421820, 38801458, 77602916, 97003645, 194007290, 388014580]

約数ペア:

[(1, 388014580), (2, 194007290), (4, 97003645), (5, 77602916), (10, 38801458), (19, 20421820), (20, 19400729), (38, 10210910), (76, 5105455), (95, 4084364), (190, 2042182), (380, 1021091)]