31191020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222793}}^1$

素因数の和:222809

約数の個数: 24

約数和(自身を含む): 74858784

約数和(自身を除く): 43667764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222793, 445586, 891172, 1113965, 1559551, 2227930, 3119102, 4455860, 6238204, 7797755, 15595510, 31191020]

約数ペア:

[(1, 31191020), (2, 15595510), (4, 7797755), (5, 6238204), (7, 4455860), (10, 3119102), (14, 2227930), (20, 1559551), (28, 1113965), (35, 891172), (70, 445586), (140, 222793)]