401040980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1055371}}^1$

素因数の和:1055399

約数の個数: 24

約数和(自身を含む): 886512480

約数和(自身を除く): 485471500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1055371, 2110742, 4221484, 5276855, 10553710, 20052049, 21107420, 40104098, 80208196, 100260245, 200520490, 401040980]

約数ペア:

[(1, 401040980), (2, 200520490), (4, 100260245), (5, 80208196), (10, 40104098), (19, 21107420), (20, 20052049), (38, 10553710), (76, 5276855), (95, 4221484), (190, 2110742), (380, 1055371)]