313577540

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{18913}}^1$

素因数の和:19751

約数の個数: 24

約数和(自身を含む): 659342040

約数和(自身を除く): 345764500

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 8290, 16580, 18913, 37826, 75652, 94565, 189130, 378260, 15678877, 31357754, 62715508, 78394385, 156788770, 313577540]

約数ペア:

[(1, 313577540), (2, 156788770), (4, 78394385), (5, 62715508), (10, 31357754), (20, 15678877), (829, 378260), (1658, 189130), (3316, 94565), (4145, 75652), (8290, 37826), (16580, 18913)]