90454420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646103}}^1$

素因数の和:646119

約数の個数: 24

約数和(自身を含む): 217090944

約数和(自身を除く): 126636524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646103, 1292206, 2584412, 3230515, 4522721, 6461030, 9045442, 12922060, 18090884, 22613605, 45227210, 90454420]

約数ペア:

[(1, 90454420), (2, 45227210), (4, 22613605), (5, 18090884), (7, 12922060), (10, 9045442), (14, 6461030), (20, 4522721), (28, 3230515), (35, 2584412), (70, 1292206), (140, 646103)]