215614840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{770053}}^1$

素因数の和:770071

約数の個数: 32

約数和(自身を含む): 554438880

約数和(自身を除く): 338824040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 770053, 1540106, 3080212, 3850265, 5390371, 6160424, 7700530, 10780742, 15401060, 21561484, 26951855, 30802120, 43122968, 53903710, 107807420, 215614840]

約数ペア:

[(1, 215614840), (2, 107807420), (4, 53903710), (5, 43122968), (7, 30802120), (8, 26951855), (10, 21561484), (14, 15401060), (20, 10780742), (28, 7700530), (35, 6160424), (40, 5390371), (56, 3850265), (70, 3080212), (140, 1540106), (280, 770053)]