1427242520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3243733}}^1$

素因数の和:3243755

約数の個数: 32

約数和(自身を含む): 3503232720

約数和(自身を除く): 2075990200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3243733, 6487466, 12974932, 16218665, 25949864, 32437330, 35681063, 64874660, 71362126, 129749320, 142724252, 178405315, 285448504, 356810630, 713621260, 1427242520]

約数ペア:

[(1, 1427242520), (2, 713621260), (4, 356810630), (5, 285448504), (8, 178405315), (10, 142724252), (11, 129749320), (20, 71362126), (22, 64874660), (40, 35681063), (44, 32437330), (55, 25949864), (88, 16218665), (110, 12974932), (220, 6487466), (440, 3243733)]