9781860620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{69870433}}^1$

素因数の和:69870449

約数の個数: 24

約数和(自身を含む): 23476465824

約数和(自身を除く): 13694605204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 69870433, 139740866, 279481732, 349352165, 489093031, 698704330, 978186062, 1397408660, 1956372124, 2445465155, 4890930310, 9781860620]

約数ペア:

[(1, 9781860620), (2, 4890930310), (4, 2445465155), (5, 1956372124), (7, 1397408660), (10, 978186062), (14, 698704330), (20, 489093031), (28, 349352165), (35, 279481732), (70, 139740866), (140, 69870433)]