155532020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1110943}}^1$

素因数の和:1110959

約数の個数: 24

約数和(自身を含む): 373277184

約数和(自身を除く): 217745164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1110943, 2221886, 4443772, 5554715, 7776601, 11109430, 15553202, 22218860, 31106404, 38883005, 77766010, 155532020]

約数ペア:

[(1, 155532020), (2, 77766010), (4, 38883005), (5, 31106404), (7, 22218860), (10, 15553202), (14, 11109430), (20, 7776601), (28, 5554715), (35, 4443772), (70, 2221886), (140, 1110943)]