518980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 1362816

約数和(自身を除く): 843836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 337, 385, 674, 770, 1348, 1540, 1685, 2359, 3370, 3707, 4718, 6740, 7414, 9436, 11795, 14828, 18535, 23590, 25949, 37070, 47180, 51898, 74140, 103796, 129745, 259490, 518980]

約数ペア:

[(1, 518980), (2, 259490), (4, 129745), (5, 103796), (7, 74140), (10, 51898), (11, 47180), (14, 37070), (20, 25949), (22, 23590), (28, 18535), (35, 14828), (44, 11795), (55, 9436), (70, 7414), (77, 6740), (110, 4718), (140, 3707), (154, 3370), (220, 2359), (308, 1685), (337, 1540), (385, 1348), (674, 770)]