42253220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15199}}^1$

素因数の和:15347

約数の個数: 24

約数和(自身を含む): 89376000

約数和(自身を除く): 47122780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 15199, 30398, 60796, 75995, 151990, 303980, 2112661, 4225322, 8450644, 10563305, 21126610, 42253220]

約数ペア:

[(1, 42253220), (2, 21126610), (4, 10563305), (5, 8450644), (10, 4225322), (20, 2112661), (139, 303980), (278, 151990), (556, 75995), (695, 60796), (1390, 30398), (2780, 15199)]