789774748

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 1792627200

約数和(自身を除く): 1002852452

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 49, 58, 71, 76, 98, 103, 116, 133, 142, 196, 203, 206, 266, 284, 406, 412, 497, 532, 551, 721, 812, 931, 994, 1102, 1349, 1421, 1442, 1862, 1957, 1988, 2059, 2204, 2698, 2842, 2884, 2987, 3479, 3724, 3857, 3914, 4118, 5047, 5396, 5684, 5974, 6958, 7313, 7714, 7828, 8236, 9443, 10094, 11948, 13699, 13916, 14413, 14626, 15428, 18886, 20188, 20909, 26999, 27398, 28826, 29252, 37772, 39121, 41818, 51191, 53998, 54796, 56753, 57652, 66101, 78242, 83636, 95893, 100891, 102382, 107996, 113506, 132202, 138947, 146363, 156484, 191786, 201782, 204764, 212077, 227012, 264404, 273847, 277894, 292726, 358337, 383572, 397271, 403564, 424154, 547694, 555788, 585452, 716674, 794542, 848308, 972629, 1095388, 1433348, 1484539, 1589084, 1916929, 1945258, 2780897, 2969078, 3833858, 3890516, 4029463, 5561794, 5938156, 6808403, 7667716, 8058926, 10391773, 11123588, 13616806, 16117852, 20783546, 27233612, 28206241, 41567092, 56412482, 112824964, 197443687, 394887374, 789774748]

約数ペア:

[(1, 789774748), (2, 394887374), (4, 197443687), (7, 112824964), (14, 56412482), (19, 41567092), (28, 28206241), (29, 27233612), (38, 20783546), (49, 16117852), (58, 13616806), (71, 11123588), (76, 10391773), (98, 8058926), (103, 7667716), (116, 6808403), (133, 5938156), (142, 5561794), (196, 4029463), (203, 3890516), (206, 3833858), (266, 2969078), (284, 2780897), (406, 1945258), (412, 1916929), (497, 1589084), (532, 1484539), (551, 1433348), (721, 1095388), (812, 972629), (931, 848308), (994, 794542), (1102, 716674), (1349, 585452), (1421, 555788), (1442, 547694), (1862, 424154), (1957, 403564), (1988, 397271), (2059, 383572), (2204, 358337), (2698, 292726), (2842, 277894), (2884, 273847), (2987, 264404), (3479, 227012), (3724, 212077), (3857, 204764), (3914, 201782), (4118, 191786), (5047, 156484), (5396, 146363), (5684, 138947), (5974, 132202), (6958, 113506), (7313, 107996), (7714, 102382), (7828, 100891), (8236, 95893), (9443, 83636), (10094, 78242), (11948, 66101), (13699, 57652), (13916, 56753), (14413, 54796), (14626, 53998), (15428, 51191), (18886, 41818), (20188, 39121), (20909, 37772), (26999, 29252), (27398, 28826)]