395340980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1040371}}^1$

素因数の和:1040399

約数の個数: 24

約数和(自身を含む): 873912480

約数和(自身を除く): 478571500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1040371, 2080742, 4161484, 5201855, 10403710, 19767049, 20807420, 39534098, 79068196, 98835245, 197670490, 395340980]

約数ペア:

[(1, 395340980), (2, 197670490), (4, 98835245), (5, 79068196), (10, 39534098), (19, 20807420), (20, 19767049), (38, 10403710), (76, 5201855), (95, 4161484), (190, 2080742), (380, 1040371)]