207541740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{494147}}^1$

素因数の和:494166

約数の個数: 48

約数和(自身を含む): 664134912

約数和(自身を除く): 456593172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 494147, 988294, 1482441, 1976588, 2470735, 2964882, 3459029, 4941470, 5929764, 6918058, 7412205, 9882940, 10377087, 13836116, 14824410, 17295145, 20754174, 29648820, 34590290, 41508348, 51885435, 69180580, 103770870, 207541740]

約数ペア:

[(1, 207541740), (2, 103770870), (3, 69180580), (4, 51885435), (5, 41508348), (6, 34590290), (7, 29648820), (10, 20754174), (12, 17295145), (14, 14824410), (15, 13836116), (20, 10377087), (21, 9882940), (28, 7412205), (30, 6918058), (35, 5929764), (42, 4941470), (60, 3459029), (70, 2964882), (84, 2470735), (105, 1976588), (140, 1482441), (210, 988294), (420, 494147)]