71749580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512497}}^1$

素因数の和:512513

約数の個数: 24

約数和(自身を含む): 172199328

約数和(自身を除く): 100449748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512497, 1024994, 2049988, 2562485, 3587479, 5124970, 7174958, 10249940, 14349916, 17937395, 35874790, 71749580]

約数ペア:

[(1, 71749580), (2, 35874790), (4, 17937395), (5, 14349916), (7, 10249940), (10, 7174958), (14, 5124970), (20, 3587479), (28, 2562485), (35, 2049988), (70, 1024994), (140, 512497)]