7420220

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{643}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 15633744

約数和(自身を除く): 8213524

約数列:

[1, 2, 4, 5, 10, 20, 577, 643, 1154, 1286, 2308, 2572, 2885, 3215, 5770, 6430, 11540, 12860, 371011, 742022, 1484044, 1855055, 3710110, 7420220]

約数ペア:

[(1, 7420220), (2, 3710110), (4, 1855055), (5, 1484044), (10, 742022), (20, 371011), (577, 12860), (643, 11540), (1154, 6430), (1286, 5770), (2308, 3215), (2572, 2885)]