142720220

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{14653}}^1$

素因数の和:15149

約数の個数: 24

約数和(自身を含む): 300348384

約数和(自身を除く): 157628164

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 14653, 29306, 58612, 73265, 146530, 293060, 7136011, 14272022, 28544044, 35680055, 71360110, 142720220]

約数ペア:

[(1, 142720220), (2, 71360110), (4, 35680055), (5, 28544044), (10, 14272022), (20, 7136011), (487, 293060), (974, 146530), (1948, 73265), (2435, 58612), (4870, 29306), (9740, 14653)]