214210520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{124541}}^1$

素因数の和:124595

約数の個数: 32

約数和(自身を含む): 493186320

約数和(自身を除く): 278975800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 124541, 249082, 498164, 622705, 996328, 1245410, 2490820, 4981640, 5355263, 10710526, 21421052, 26776315, 42842104, 53552630, 107105260, 214210520]

約数ペア:

[(1, 214210520), (2, 107105260), (4, 53552630), (5, 42842104), (8, 26776315), (10, 21421052), (20, 10710526), (40, 5355263), (43, 4981640), (86, 2490820), (172, 1245410), (215, 996328), (344, 622705), (430, 498164), (860, 249082), (1720, 124541)]