1399220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 3008544

約数和(自身を除く): 1609324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1627, 3254, 6508, 8135, 16270, 32540, 69961, 139922, 279844, 349805, 699610, 1399220]

約数ペア:

[(1, 1399220), (2, 699610), (4, 349805), (5, 279844), (10, 139922), (20, 69961), (43, 32540), (86, 16270), (172, 8135), (215, 6508), (430, 3254), (860, 1627)]