31737020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7817}}^1$

素因数の和:7862

約数の個数: 48

約数和(自身を含む): 78805440

約数和(自身を除く): 47068420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7817, 15634, 31268, 39085, 54719, 78170, 109438, 156340, 218876, 226693, 273595, 453386, 547190, 906772, 1094380, 1133465, 1586851, 2266930, 3173702, 4533860, 6347404, 7934255, 15868510, 31737020]

約数ペア:

[(1, 31737020), (2, 15868510), (4, 7934255), (5, 6347404), (7, 4533860), (10, 3173702), (14, 2266930), (20, 1586851), (28, 1133465), (29, 1094380), (35, 906772), (58, 547190), (70, 453386), (116, 273595), (140, 226693), (145, 218876), (203, 156340), (290, 109438), (406, 78170), (580, 54719), (812, 39085), (1015, 31268), (2030, 15634), (4060, 7817)]