142163420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1015453}}^1$

素因数の和:1015469

約数の個数: 24

約数和(自身を含む): 341192544

約数和(自身を除く): 199029124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1015453, 2030906, 4061812, 5077265, 7108171, 10154530, 14216342, 20309060, 28432684, 35540855, 71081710, 142163420]

約数ペア:

[(1, 142163420), (2, 71081710), (4, 35540855), (5, 28432684), (7, 20309060), (10, 14216342), (14, 10154530), (20, 7108171), (28, 5077265), (35, 4061812), (70, 2030906), (140, 1015453)]