121388005420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{551763661}}^1$

素因数の和:551763681

約数の個数: 24

約数和(自身を含む): 278088885648

約数和(自身を除く): 156700880228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 551763661, 1103527322, 2207054644, 2758818305, 5517636610, 6069400271, 11035273220, 12138800542, 24277601084, 30347001355, 60694002710, 121388005420]

約数ペア:

[(1, 121388005420), (2, 60694002710), (4, 30347001355), (5, 24277601084), (10, 12138800542), (11, 11035273220), (20, 6069400271), (22, 5517636610), (44, 2758818305), (55, 2207054644), (110, 1103527322), (220, 551763661)]