204279180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{486379}}^1$

素因数の和:486398

約数の個数: 48

約数和(自身を含む): 653694720

約数和(自身を除く): 449415540

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, 486379, 972758, 1459137, 1945516, 2431895, 2918274, 3404653, 4863790, 5836548, 6809306, 7295685, 9727580, 10213959, 13618612, 14591370, 17023265, 20427918, 29182740, 34046530, 40855836, 51069795, 68093060, 102139590, 204279180]

約数ペア:

[(1, 204279180), (2, 102139590), (3, 68093060), (4, 51069795), (5, 40855836), (6, 34046530), (7, 29182740), (10, 20427918), (12, 17023265), (14, 14591370), (15, 13618612), (20, 10213959), (21, 9727580), (28, 7295685), (30, 6809306), (35, 5836548), (42, 4863790), (60, 3404653), (70, 2918274), (84, 2431895), (105, 1945516), (140, 1459137), (210, 972758), (420, 486379)]