539720020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3855143}}^1$

素因数の和:3855159

約数の個数: 24

約数和(自身を含む): 1295328384

約数和(自身を除く): 755608364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3855143, 7710286, 15420572, 19275715, 26986001, 38551430, 53972002, 77102860, 107944004, 134930005, 269860010, 539720020]

約数ペア:

[(1, 539720020), (2, 269860010), (4, 134930005), (5, 107944004), (7, 77102860), (10, 53972002), (14, 38551430), (20, 26986001), (28, 19275715), (35, 15420572), (70, 7710286), (140, 3855143)]