193189780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1997}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 464558976

約数和(自身を除く): 271369196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 1382, 1997, 2764, 3455, 3994, 4837, 6910, 7988, 9674, 9985, 13820, 13979, 19348, 19970, 24185, 27958, 39940, 48370, 55916, 69895, 96740, 139790, 279580, 1379927, 2759854, 5519708, 6899635, 9659489, 13799270, 19318978, 27598540, 38637956, 48297445, 96594890, 193189780]

約数ペア:

[(1, 193189780), (2, 96594890), (4, 48297445), (5, 38637956), (7, 27598540), (10, 19318978), (14, 13799270), (20, 9659489), (28, 6899635), (35, 5519708), (70, 2759854), (140, 1379927), (691, 279580), (1382, 139790), (1997, 96740), (2764, 69895), (3455, 55916), (3994, 48370), (4837, 39940), (6910, 27958), (7988, 24185), (9674, 19970), (9985, 19348), (13820, 13979)]