320201780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149627}}^1$

素因数の和:149743

約数の個数: 24

約数和(自身を含む): 678712608

約数和(自身を除く): 358510828

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 149627, 299254, 598508, 748135, 1496270, 2992540, 16010089, 32020178, 64040356, 80050445, 160100890, 320201780]

約数ペア:

[(1, 320201780), (2, 160100890), (4, 80050445), (5, 64040356), (10, 32020178), (20, 16010089), (107, 2992540), (214, 1496270), (428, 748135), (535, 598508), (1070, 299254), (2140, 149627)]