138456290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{2939}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 285344640

約数和(自身を除く): 146888350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 673, 1346, 2939, 3365, 4711, 5878, 6730, 9422, 14695, 20573, 23555, 29390, 41146, 47110, 102865, 205730, 1977947, 3955894, 9889735, 13845629, 19779470, 27691258, 69228145, 138456290]

約数ペア:

[(1, 138456290), (2, 69228145), (5, 27691258), (7, 19779470), (10, 13845629), (14, 9889735), (35, 3955894), (70, 1977947), (673, 205730), (1346, 102865), (2939, 47110), (3365, 41146), (4711, 29390), (5878, 23555), (6730, 20573), (9422, 14695)]