1247860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1503

約数の個数: 24

約数和(自身を含む): 2683296

約数和(自身を除く): 1435436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1451, 2902, 5804, 7255, 14510, 29020, 62393, 124786, 249572, 311965, 623930, 1247860]

約数ペア:

[(1, 1247860), (2, 623930), (4, 311965), (5, 249572), (10, 124786), (20, 62393), (43, 29020), (86, 14510), (172, 7255), (215, 5804), (430, 2902), (860, 1451)]