31170020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222643}}^1$

素因数の和:222659

約数の個数: 24

約数和(自身を含む): 74808384

約数和(自身を除く): 43638364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222643, 445286, 890572, 1113215, 1558501, 2226430, 3117002, 4452860, 6234004, 7792505, 15585010, 31170020]

約数ペア:

[(1, 31170020), (2, 15585010), (4, 7792505), (5, 6234004), (7, 4452860), (10, 3117002), (14, 2226430), (20, 1558501), (28, 1113215), (35, 890572), (70, 445286), (140, 222643)]