222740860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{259001}}^1$

素因数の和:259053

約数の個数: 24

約数和(自身を含む): 478635696

約数和(自身を除く): 255894836

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 259001, 518002, 1036004, 1295005, 2590010, 5180020, 11137043, 22274086, 44548172, 55685215, 111370430, 222740860]

約数ペア:

[(1, 222740860), (2, 111370430), (4, 55685215), (5, 44548172), (10, 22274086), (20, 11137043), (43, 5180020), (86, 2590010), (172, 1295005), (215, 1036004), (430, 518002), (860, 259001)]