551643260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3940309}}^1$

素因数の和:3940325

約数の個数: 24

約数和(自身を含む): 1323944160

約数和(自身を除く): 772300900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3940309, 7880618, 15761236, 19701545, 27582163, 39403090, 55164326, 78806180, 110328652, 137910815, 275821630, 551643260]

約数ペア:

[(1, 551643260), (2, 275821630), (4, 137910815), (5, 110328652), (7, 78806180), (10, 55164326), (14, 39403090), (20, 27582163), (28, 19701545), (35, 15761236), (70, 7880618), (140, 3940309)]