649667060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4640479}}^1$

素因数の和:4640495

約数の個数: 24

約数和(自身を含む): 1559201280

約数和(自身を除く): 909534220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4640479, 9280958, 18561916, 23202395, 32483353, 46404790, 64966706, 92809580, 129933412, 162416765, 324833530, 649667060]

約数ペア:

[(1, 649667060), (2, 324833530), (4, 162416765), (5, 129933412), (7, 92809580), (10, 64966706), (14, 46404790), (20, 32483353), (28, 23202395), (35, 18561916), (70, 9280958), (140, 4640479)]