27854260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198959}}^1$

素因数の和:198975

約数の個数: 24

約数和(自身を含む): 66850560

約数和(自身を除く): 38996300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198959, 397918, 795836, 994795, 1392713, 1989590, 2785426, 3979180, 5570852, 6963565, 13927130, 27854260]

約数ペア:

[(1, 27854260), (2, 13927130), (4, 6963565), (5, 5570852), (7, 3979180), (10, 2785426), (14, 1989590), (20, 1392713), (28, 994795), (35, 795836), (70, 397918), (140, 198959)]