300140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 646800

約数和(自身を除く): 346660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 349, 430, 698, 860, 1396, 1745, 3490, 6980, 15007, 30014, 60028, 75035, 150070, 300140]

約数ペア:

[(1, 300140), (2, 150070), (4, 75035), (5, 60028), (10, 30014), (20, 15007), (43, 6980), (86, 3490), (172, 1745), (215, 1396), (349, 860), (430, 698)]