2805460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 6975360

約数和(自身を除く): 4169900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 691, 812, 1015, 1382, 2030, 2764, 3455, 4060, 4837, 6910, 9674, 13820, 19348, 20039, 24185, 40078, 48370, 80156, 96740, 100195, 140273, 200390, 280546, 400780, 561092, 701365, 1402730, 2805460]

約数ペア:

[(1, 2805460), (2, 1402730), (4, 701365), (5, 561092), (7, 400780), (10, 280546), (14, 200390), (20, 140273), (28, 100195), (29, 96740), (35, 80156), (58, 48370), (70, 40078), (116, 24185), (140, 20039), (145, 19348), (203, 13820), (290, 9674), (406, 6910), (580, 4837), (691, 4060), (812, 3455), (1015, 2764), (1382, 2030)]