242570780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{111271}}^1$

素因数の和:111389

約数の個数: 24

約数和(自身を含む): 514076640

約数和(自身を除く): 271505860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 111271, 222542, 445084, 556355, 1112710, 2225420, 12128539, 24257078, 48514156, 60642695, 121285390, 242570780]

約数ペア:

[(1, 242570780), (2, 121285390), (4, 60642695), (5, 48514156), (10, 24257078), (20, 12128539), (109, 2225420), (218, 1112710), (436, 556355), (545, 445084), (1090, 222542), (2180, 111271)]