209436220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1495973}}^1$

素因数の和:1495989

約数の個数: 24

約数和(自身を含む): 502647264

約数和(自身を除く): 293211044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1495973, 2991946, 5983892, 7479865, 10471811, 14959730, 20943622, 29919460, 41887244, 52359055, 104718110, 209436220]

約数ペア:

[(1, 209436220), (2, 104718110), (4, 52359055), (5, 41887244), (7, 29919460), (10, 20943622), (14, 14959730), (20, 10471811), (28, 7479865), (35, 5983892), (70, 2991946), (140, 1495973)]