1555532020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11110943}}^1$

素因数の和:11110959

約数の個数: 24

約数和(自身を含む): 3733277184

約数和(自身を除く): 2177745164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11110943, 22221886, 44443772, 55554715, 77776601, 111109430, 155553202, 222218860, 311106404, 388883005, 777766010, 1555532020]

約数ペア:

[(1, 1555532020), (2, 777766010), (4, 388883005), (5, 311106404), (7, 222218860), (10, 155553202), (14, 111109430), (20, 77776601), (28, 55554715), (35, 44443772), (70, 22221886), (140, 11110943)]