138751860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{177887}}^1$

素因数の和:177912

約数の個数: 48

約数和(自身を含む): 418392576

約数和(自身を除く): 279640716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 177887, 355774, 533661, 711548, 889435, 1067322, 1778870, 2134644, 2312531, 2668305, 3557740, 4625062, 5336610, 6937593, 9250124, 10673220, 11562655, 13875186, 23125310, 27750372, 34687965, 46250620, 69375930, 138751860]

約数ペア:

[(1, 138751860), (2, 69375930), (3, 46250620), (4, 34687965), (5, 27750372), (6, 23125310), (10, 13875186), (12, 11562655), (13, 10673220), (15, 9250124), (20, 6937593), (26, 5336610), (30, 4625062), (39, 3557740), (52, 2668305), (60, 2312531), (65, 2134644), (78, 1778870), (130, 1067322), (156, 889435), (195, 711548), (260, 533661), (390, 355774), (780, 177887)]