7666043660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1\times {\mathrm{17449}}^1$

素因数の和:19466

約数の個数: 48

約数和(自身を含む): 17572010400

約数和(自身を除く): 9905966740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1997, 3994, 7988, 9985, 17449, 19970, 21967, 34898, 39940, 43934, 69796, 87245, 87868, 109835, 174490, 191939, 219670, 348980, 383878, 439340, 767756, 959695, 1919390, 3838780, 34845653, 69691306, 139382612, 174228265, 348456530, 383302183, 696913060, 766604366, 1533208732, 1916510915, 3833021830, 7666043660]

約数ペア:

[(1, 7666043660), (2, 3833021830), (4, 1916510915), (5, 1533208732), (10, 766604366), (11, 696913060), (20, 383302183), (22, 348456530), (44, 174228265), (55, 139382612), (110, 69691306), (220, 34845653), (1997, 3838780), (3994, 1919390), (7988, 959695), (9985, 767756), (17449, 439340), (19970, 383878), (21967, 348980), (34898, 219670), (39940, 191939), (43934, 174490), (69796, 109835), (87245, 87868)]