90808060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{648629}}^1$

素因数の和:648645

約数の個数: 24

約数和(自身を含む): 217939680

約数和(自身を除く): 127131620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 648629, 1297258, 2594516, 3243145, 4540403, 6486290, 9080806, 12972580, 18161612, 22702015, 45404030, 90808060]

約数ペア:

[(1, 90808060), (2, 45404030), (4, 22702015), (5, 18161612), (7, 12972580), (10, 9080806), (14, 6486290), (20, 4540403), (28, 3243145), (35, 2594516), (70, 1297258), (140, 648629)]