2019900550

素因数分解:

$2^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{181157}}^1$

素因数の和:181392

約数の個数: 24

約数和(自身を含む): 3773883456

約数和(自身を除く): 1753982906

約数列:

[1, 2, 5, 10, 25, 50, 223, 446, 1115, 2230, 5575, 11150, 181157, 362314, 905785, 1811570, 4528925, 9057850, 40398011, 80796022, 201990055, 403980110, 1009950275, 2019900550]

約数ペア:

[(1, 2019900550), (2, 1009950275), (5, 403980110), (10, 201990055), (25, 80796022), (50, 40398011), (223, 9057850), (446, 4528925), (1115, 1811570), (2230, 905785), (5575, 362314), (11150, 181157)]