7720890198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1306

約数の個数: 128

約数和(自身を含む): 19112755200

約数和(自身を除く): 11391865002

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 223, 258, 266, 301, 399, 446, 602, 669, 798, 817, 903, 1009, 1338, 1561, 1634, 1806, 2018, 2451, 3027, 3122, 4237, 4683, 4902, 5719, 6054, 7063, 8474, 9366, 9589, 11438, 12711, 14126, 17157, 19171, 19178, 21189, 25422, 28767, 29659, 34314, 38342, 42378, 43387, 57513, 57534, 59318, 67123, 86774, 88977, 115026, 130161, 134197, 134246, 177954, 182191, 201369, 225007, 260322, 268394, 303709, 364382, 402591, 402738, 450014, 546573, 607418, 675021, 805182, 824353, 911127, 1093146, 1275337, 1350042, 1575049, 1648706, 1822254, 2473059, 2550674, 3150098, 3826011, 4275133, 4725147, 4946118, 5770471, 7652022, 8550266, 9450294, 9675301, 11540942, 12825399, 17311413, 19350602, 25650798, 29025903, 29925931, 34622826, 58051806, 59851862, 67727107, 89777793, 135454214, 179555586, 183830719, 203181321, 367661438, 406362642, 551492157, 1102984314, 1286815033, 2573630066, 3860445099, 7720890198]

約数ペア:

[(1, 7720890198), (2, 3860445099), (3, 2573630066), (6, 1286815033), (7, 1102984314), (14, 551492157), (19, 406362642), (21, 367661438), (38, 203181321), (42, 183830719), (43, 179555586), (57, 135454214), (86, 89777793), (114, 67727107), (129, 59851862), (133, 58051806), (223, 34622826), (258, 29925931), (266, 29025903), (301, 25650798), (399, 19350602), (446, 17311413), (602, 12825399), (669, 11540942), (798, 9675301), (817, 9450294), (903, 8550266), (1009, 7652022), (1338, 5770471), (1561, 4946118), (1634, 4725147), (1806, 4275133), (2018, 3826011), (2451, 3150098), (3027, 2550674), (3122, 2473059), (4237, 1822254), (4683, 1648706), (4902, 1575049), (5719, 1350042), (6054, 1275337), (7063, 1093146), (8474, 911127), (9366, 824353), (9589, 805182), (11438, 675021), (12711, 607418), (14126, 546573), (17157, 450014), (19171, 402738), (19178, 402591), (21189, 364382), (25422, 303709), (28767, 268394), (29659, 260322), (34314, 225007), (38342, 201369), (42378, 182191), (43387, 177954), (57513, 134246), (57534, 134197), (59318, 130161), (67123, 115026), (86774, 88977)]