11998420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{85703}}^1$

素因数の和:85719

約数の個数: 24

約数和(自身を含む): 28796544

約数和(自身を除く): 16798124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 85703, 171406, 342812, 428515, 599921, 857030, 1199842, 1714060, 2399684, 2999605, 5999210, 11998420]

約数ペア:

[(1, 11998420), (2, 5999210), (4, 2999605), (5, 2399684), (7, 1714060), (10, 1199842), (14, 857030), (20, 599921), (28, 428515), (35, 342812), (70, 171406), (140, 85703)]