291284140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{3011}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 700326144

約数和(自身を除く): 409042004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 1382, 2764, 3011, 3455, 4837, 6022, 6910, 9674, 12044, 13820, 15055, 19348, 21077, 24185, 30110, 42154, 48370, 60220, 84308, 96740, 105385, 210770, 421540, 2080601, 4161202, 8322404, 10403005, 14564207, 20806010, 29128414, 41612020, 58256828, 72821035, 145642070, 291284140]

約数ペア:

[(1, 291284140), (2, 145642070), (4, 72821035), (5, 58256828), (7, 41612020), (10, 29128414), (14, 20806010), (20, 14564207), (28, 10403005), (35, 8322404), (70, 4161202), (140, 2080601), (691, 421540), (1382, 210770), (2764, 105385), (3011, 96740), (3455, 84308), (4837, 60220), (6022, 48370), (6910, 42154), (9674, 30110), (12044, 24185), (13820, 21077), (15055, 19348)]