120985820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 259580160

約数和(自身を除く): 138594340

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 173, 292, 346, 365, 479, 692, 730, 865, 958, 1460, 1730, 1916, 2395, 3460, 4790, 9580, 12629, 25258, 34967, 50516, 63145, 69934, 82867, 126290, 139868, 165734, 174835, 252580, 331468, 349670, 414335, 699340, 828670, 1657340, 6049291, 12098582, 24197164, 30246455, 60492910, 120985820]

約数ペア:

[(1, 120985820), (2, 60492910), (4, 30246455), (5, 24197164), (10, 12098582), (20, 6049291), (73, 1657340), (146, 828670), (173, 699340), (292, 414335), (346, 349670), (365, 331468), (479, 252580), (692, 174835), (730, 165734), (865, 139868), (958, 126290), (1460, 82867), (1730, 69934), (1916, 63145), (2395, 50516), (3460, 34967), (4790, 25258), (9580, 12629)]