888957820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{13903}}^1$

素因数の和:14074

約数の個数: 48

約数和(自身を含む): 1962132480

約数和(自身を除く): 1073174660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 6394, 12788, 13903, 15985, 27806, 31970, 55612, 63940, 69515, 139030, 278060, 319769, 639538, 1279076, 1598845, 1932517, 3197690, 3865034, 6395380, 7730068, 9662585, 19325170, 38650340, 44447891, 88895782, 177791564, 222239455, 444478910, 888957820]

約数ペア:

[(1, 888957820), (2, 444478910), (4, 222239455), (5, 177791564), (10, 88895782), (20, 44447891), (23, 38650340), (46, 19325170), (92, 9662585), (115, 7730068), (139, 6395380), (230, 3865034), (278, 3197690), (460, 1932517), (556, 1598845), (695, 1279076), (1390, 639538), (2780, 319769), (3197, 278060), (6394, 139030), (12788, 69515), (13903, 63940), (15985, 55612), (27806, 31970)]