7754740

素因数分解:

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

素因数の和:257

約数の個数: 72

約数和(自身を含む): 19506312

約数和(自身を除く): 11751572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 193, 196, 205, 245, 287, 386, 410, 490, 574, 772, 820, 965, 980, 1148, 1351, 1435, 1930, 2009, 2702, 2870, 3860, 4018, 5404, 5740, 6755, 7913, 8036, 9457, 10045, 13510, 15826, 18914, 20090, 27020, 31652, 37828, 39565, 40180, 47285, 55391, 79130, 94570, 110782, 158260, 189140, 221564, 276955, 387737, 553910, 775474, 1107820, 1550948, 1938685, 3877370, 7754740]

約数ペア:

[(1, 7754740), (2, 3877370), (4, 1938685), (5, 1550948), (7, 1107820), (10, 775474), (14, 553910), (20, 387737), (28, 276955), (35, 221564), (41, 189140), (49, 158260), (70, 110782), (82, 94570), (98, 79130), (140, 55391), (164, 47285), (193, 40180), (196, 39565), (205, 37828), (245, 31652), (287, 27020), (386, 20090), (410, 18914), (490, 15826), (574, 13510), (772, 10045), (820, 9457), (965, 8036), (980, 7913), (1148, 6755), (1351, 5740), (1435, 5404), (1930, 4018), (2009, 3860), (2702, 2870)]