306072340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2186231}}^1$

素因数の和:2186247

約数の個数: 24

約数和(自身を含む): 734573952

約数和(自身を除く): 428501612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2186231, 4372462, 8744924, 10931155, 15303617, 21862310, 30607234, 43724620, 61214468, 76518085, 153036170, 306072340]

約数ペア:

[(1, 306072340), (2, 153036170), (4, 76518085), (5, 61214468), (7, 43724620), (10, 30607234), (14, 21862310), (20, 15303617), (28, 10931155), (35, 8744924), (70, 4372462), (140, 2186231)]