4431280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 12124224

約数和(自身を除く): 7692944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 193, 205, 280, 287, 328, 386, 410, 560, 574, 656, 772, 820, 965, 1148, 1351, 1435, 1544, 1640, 1930, 2296, 2702, 2870, 3088, 3280, 3860, 4592, 5404, 5740, 6755, 7720, 7913, 10808, 11480, 13510, 15440, 15826, 21616, 22960, 27020, 31652, 39565, 54040, 55391, 63304, 79130, 108080, 110782, 126608, 158260, 221564, 276955, 316520, 443128, 553910, 633040, 886256, 1107820, 2215640, 4431280]

約数ペア:

[(1, 4431280), (2, 2215640), (4, 1107820), (5, 886256), (7, 633040), (8, 553910), (10, 443128), (14, 316520), (16, 276955), (20, 221564), (28, 158260), (35, 126608), (40, 110782), (41, 108080), (56, 79130), (70, 63304), (80, 55391), (82, 54040), (112, 39565), (140, 31652), (164, 27020), (193, 22960), (205, 21616), (280, 15826), (287, 15440), (328, 13510), (386, 11480), (410, 10808), (560, 7913), (574, 7720), (656, 6755), (772, 5740), (820, 5404), (965, 4592), (1148, 3860), (1351, 3280), (1435, 3088), (1544, 2870), (1640, 2702), (1930, 2296)]