31605140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{225751}}^1$

素因数の和:225767

約数の個数: 24

約数和(自身を含む): 75852672

約数和(自身を除く): 44247532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 225751, 451502, 903004, 1128755, 1580257, 2257510, 3160514, 4515020, 6321028, 7901285, 15802570, 31605140]

約数ペア:

[(1, 31605140), (2, 15802570), (4, 7901285), (5, 6321028), (7, 4515020), (10, 3160514), (14, 2257510), (20, 1580257), (28, 1128755), (35, 903004), (70, 451502), (140, 225751)]