90450220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646073}}^1$

素因数の和:646089

約数の個数: 24

約数和(自身を含む): 217080864

約数和(自身を除く): 126630644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646073, 1292146, 2584292, 3230365, 4522511, 6460730, 9045022, 12921460, 18090044, 22612555, 45225110, 90450220]

約数ペア:

[(1, 90450220), (2, 45225110), (4, 22612555), (5, 18090044), (7, 12921460), (10, 9045022), (14, 6460730), (20, 4522511), (28, 3230365), (35, 2584292), (70, 1292146), (140, 646073)]