42542920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151939}}^1$

素因数の和:151957

約数の個数: 32

約数和(自身を含む): 109396800

約数和(自身を除く): 66853880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 151939, 303878, 607756, 759695, 1063573, 1215512, 1519390, 2127146, 3038780, 4254292, 5317865, 6077560, 8508584, 10635730, 21271460, 42542920]

約数ペア:

[(1, 42542920), (2, 21271460), (4, 10635730), (5, 8508584), (7, 6077560), (8, 5317865), (10, 4254292), (14, 3038780), (20, 2127146), (28, 1519390), (35, 1215512), (40, 1063573), (56, 759695), (70, 607756), (140, 303878), (280, 151939)]