318860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 680400

約数和(自身を除く): 361540

約数列:

[1, 2, 4, 5, 10, 20, 107, 149, 214, 298, 428, 535, 596, 745, 1070, 1490, 2140, 2980, 15943, 31886, 63772, 79715, 159430, 318860]

約数ペア:

[(1, 318860), (2, 159430), (4, 79715), (5, 63772), (10, 31886), (20, 15943), (107, 2980), (149, 2140), (214, 1490), (298, 1070), (428, 745), (535, 596)]