551405260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3938609}}^1$

素因数の和:3938625

約数の個数: 24

約数和(自身を含む): 1323372960

約数和(自身を除く): 771967700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3938609, 7877218, 15754436, 19693045, 27570263, 39386090, 55140526, 78772180, 110281052, 137851315, 275702630, 551405260]

約数ペア:

[(1, 551405260), (2, 275702630), (4, 137851315), (5, 110281052), (7, 78772180), (10, 55140526), (14, 39386090), (20, 27570263), (28, 19693045), (35, 15754436), (70, 7877218), (140, 3938609)]