396243290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{5099}}^1$

素因数の和:5534

約数の個数: 32

約数和(自身を含む): 752760000

約数和(自身を除く): 356516710

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 409, 818, 2045, 4090, 5099, 7771, 10198, 15542, 25495, 38855, 50990, 77710, 96881, 193762, 484405, 968810, 2085491, 4170982, 10427455, 20854910, 39624329, 79248658, 198121645, 396243290]

約数ペア:

[(1, 396243290), (2, 198121645), (5, 79248658), (10, 39624329), (19, 20854910), (38, 10427455), (95, 4170982), (190, 2085491), (409, 968810), (818, 484405), (2045, 193762), (4090, 96881), (5099, 77710), (7771, 50990), (10198, 38855), (15542, 25495)]