8918420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{63703}}^1$

素因数の和:63719

約数の個数: 24

約数和(自身を含む): 21404544

約数和(自身を除く): 12486124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 63703, 127406, 254812, 318515, 445921, 637030, 891842, 1274060, 1783684, 2229605, 4459210, 8918420]

約数ペア:

[(1, 8918420), (2, 4459210), (4, 2229605), (5, 1783684), (7, 1274060), (10, 891842), (14, 637030), (20, 445921), (28, 318515), (35, 254812), (70, 127406), (140, 63703)]