28318780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202277}}^1$

素因数の和:202293

約数の個数: 24

約数和(自身を含む): 67965408

約数和(自身を除く): 39646628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202277, 404554, 809108, 1011385, 1415939, 2022770, 2831878, 4045540, 5663756, 7079695, 14159390, 28318780]

約数ペア:

[(1, 28318780), (2, 14159390), (4, 7079695), (5, 5663756), (7, 4045540), (10, 2831878), (14, 2022770), (20, 1415939), (28, 1011385), (35, 809108), (70, 404554), (140, 202277)]