51226140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{121967}}^1$

素因数の和:121986

約数の個数: 48

約数和(自身を含む): 163924992

約数和(自身を除く): 112698852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 121967, 243934, 365901, 487868, 609835, 731802, 853769, 1219670, 1463604, 1707538, 1829505, 2439340, 2561307, 3415076, 3659010, 4268845, 5122614, 7318020, 8537690, 10245228, 12806535, 17075380, 25613070, 51226140]

約数ペア:

[(1, 51226140), (2, 25613070), (3, 17075380), (4, 12806535), (5, 10245228), (6, 8537690), (7, 7318020), (10, 5122614), (12, 4268845), (14, 3659010), (15, 3415076), (20, 2561307), (21, 2439340), (28, 1829505), (30, 1707538), (35, 1463604), (42, 1219670), (60, 853769), (70, 731802), (84, 609835), (105, 487868), (140, 365901), (210, 243934), (420, 121967)]