201670840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{720253}}^1$

素因数の和:720271

約数の個数: 32

約数和(自身を含む): 518582880

約数和(自身を除く): 316912040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 720253, 1440506, 2881012, 3601265, 5041771, 5762024, 7202530, 10083542, 14405060, 20167084, 25208855, 28810120, 40334168, 50417710, 100835420, 201670840]

約数ペア:

[(1, 201670840), (2, 100835420), (4, 50417710), (5, 40334168), (7, 28810120), (8, 25208855), (10, 20167084), (14, 14405060), (20, 10083542), (28, 7202530), (35, 5762024), (40, 5041771), (56, 3601265), (70, 2881012), (140, 1440506), (280, 720253)]