31628380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{859}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 76285440

約数和(自身を除く): 44657060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 859, 1052, 1315, 1718, 1841, 2630, 3436, 3682, 4295, 5260, 6013, 7364, 8590, 9205, 12026, 17180, 18410, 24052, 30065, 36820, 60130, 120260, 225917, 451834, 903668, 1129585, 1581419, 2259170, 3162838, 4518340, 6325676, 7907095, 15814190, 31628380]

約数ペア:

[(1, 31628380), (2, 15814190), (4, 7907095), (5, 6325676), (7, 4518340), (10, 3162838), (14, 2259170), (20, 1581419), (28, 1129585), (35, 903668), (70, 451834), (140, 225917), (263, 120260), (526, 60130), (859, 36820), (1052, 30065), (1315, 24052), (1718, 18410), (1841, 17180), (2630, 12026), (3436, 9205), (3682, 8590), (4295, 7364), (5260, 6013)]