398275416

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 288

約数和(自身を含む): 1426464000

約数和(自身を除く): 1028188584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 19, 21, 22, 24, 28, 33, 36, 38, 42, 44, 56, 57, 63, 66, 72, 76, 77, 84, 88, 99, 114, 126, 132, 133, 152, 154, 168, 171, 198, 199, 209, 228, 231, 252, 264, 266, 308, 342, 361, 396, 398, 399, 418, 456, 462, 504, 532, 597, 616, 627, 684, 693, 722, 792, 796, 798, 836, 924, 1064, 1083, 1194, 1197, 1254, 1368, 1386, 1393, 1444, 1463, 1592, 1596, 1672, 1791, 1848, 1881, 2166, 2189, 2388, 2394, 2508, 2527, 2772, 2786, 2888, 2926, 3192, 3249, 3582, 3762, 3781, 3971, 4179, 4332, 4378, 4389, 4776, 4788, 5016, 5054, 5544, 5572, 5852, 6498, 6567, 7164, 7524, 7562, 7581, 7942, 8358, 8664, 8756, 8778, 9576, 10108, 11144, 11343, 11704, 11913, 12537, 12996, 13134, 13167, 14328, 15048, 15124, 15162, 15323, 15884, 16716, 17512, 17556, 19701, 20216, 22686, 22743, 23826, 25074, 25992, 26268, 26334, 26467, 27797, 30248, 30324, 30646, 31768, 33432, 34029, 35112, 35739, 39402, 41591, 45372, 45486, 45969, 47652, 50148, 52536, 52668, 52934, 55594, 60648, 61292, 68058, 71478, 71839, 78804, 79401, 83182, 83391, 90744, 90972, 91938, 95304, 100296, 105336, 105868, 111188, 122584, 124773, 136116, 137907, 142956, 143678, 157608, 158802, 166364, 166782, 181944, 183876, 211736, 215517, 222376, 238203, 249546, 250173, 272232, 275814, 285912, 287356, 291137, 317604, 332728, 333564, 367752, 374319, 431034, 476406, 499092, 500346, 502873, 551628, 574712, 582274, 635208, 646551, 667128, 748638, 790229, 862068, 873411, 952812, 998184, 1000692, 1005746, 1103256, 1164548, 1293102, 1497276, 1508619, 1580458, 1724136, 1746822, 1905624, 2001384, 2011492, 2329096, 2370687, 2586204, 2620233, 2994552, 3017238, 3160916, 3493644, 4022984, 4525857, 4741374, 5172408, 5240466, 5531603, 6034476, 6321832, 6987288, 7112061, 9051714, 9482748, 10480932, 11063206, 12068952, 14224122, 16594809, 18103428, 18965496, 20961864, 22126412, 28448244, 33189618, 36206856, 44252824, 49784427, 56896488, 66379236, 99568854, 132758472, 199137708, 398275416]

約数ペア:

[(1, 398275416), (2, 199137708), (3, 132758472), (4, 99568854), (6, 66379236), (7, 56896488), (8, 49784427), (9, 44252824), (11, 36206856), (12, 33189618), (14, 28448244), (18, 22126412), (19, 20961864), (21, 18965496), (22, 18103428), (24, 16594809), (28, 14224122), (33, 12068952), (36, 11063206), (38, 10480932), (42, 9482748), (44, 9051714), (56, 7112061), (57, 6987288), (63, 6321832), (66, 6034476), (72, 5531603), (76, 5240466), (77, 5172408), (84, 4741374), (88, 4525857), (99, 4022984), (114, 3493644), (126, 3160916), (132, 3017238), (133, 2994552), (152, 2620233), (154, 2586204), (168, 2370687), (171, 2329096), (198, 2011492), (199, 2001384), (209, 1905624), (228, 1746822), (231, 1724136), (252, 1580458), (264, 1508619), (266, 1497276), (308, 1293102), (342, 1164548), (361, 1103256), (396, 1005746), (398, 1000692), (399, 998184), (418, 952812), (456, 873411), (462, 862068), (504, 790229), (532, 748638), (597, 667128), (616, 646551), (627, 635208), (684, 582274), (693, 574712), (722, 551628), (792, 502873), (796, 500346), (798, 499092), (836, 476406), (924, 431034), (1064, 374319), (1083, 367752), (1194, 333564), (1197, 332728), (1254, 317604), (1368, 291137), (1386, 287356), (1393, 285912), (1444, 275814), (1463, 272232), (1592, 250173), (1596, 249546), (1672, 238203), (1791, 222376), (1848, 215517), (1881, 211736), (2166, 183876), (2189, 181944), (2388, 166782), (2394, 166364), (2508, 158802), (2527, 157608), (2772, 143678), (2786, 142956), (2888, 137907), (2926, 136116), (3192, 124773), (3249, 122584), (3582, 111188), (3762, 105868), (3781, 105336), (3971, 100296), (4179, 95304), (4332, 91938), (4378, 90972), (4389, 90744), (4776, 83391), (4788, 83182), (5016, 79401), (5054, 78804), (5544, 71839), (5572, 71478), (5852, 68058), (6498, 61292), (6567, 60648), (7164, 55594), (7524, 52934), (7562, 52668), (7581, 52536), (7942, 50148), (8358, 47652), (8664, 45969), (8756, 45486), (8778, 45372), (9576, 41591), (10108, 39402), (11144, 35739), (11343, 35112), (11704, 34029), (11913, 33432), (12537, 31768), (12996, 30646), (13134, 30324), (13167, 30248), (14328, 27797), (15048, 26467), (15124, 26334), (15162, 26268), (15323, 25992), (15884, 25074), (16716, 23826), (17512, 22743), (17556, 22686), (19701, 20216)]