389640888

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:539

約数の個数: 256

約数和(自身を含む): 1366041600

約数和(自身を除く): 976400712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 43, 52, 54, 56, 63, 72, 78, 84, 86, 91, 104, 108, 117, 126, 129, 156, 168, 172, 182, 189, 216, 234, 252, 258, 273, 301, 312, 344, 351, 364, 378, 387, 461, 468, 504, 516, 546, 559, 602, 702, 728, 756, 774, 819, 903, 922, 936, 1032, 1092, 1118, 1161, 1204, 1383, 1404, 1512, 1548, 1638, 1677, 1806, 1844, 2184, 2236, 2322, 2408, 2457, 2709, 2766, 2808, 3096, 3227, 3276, 3354, 3612, 3688, 3913, 4149, 4472, 4644, 4914, 5031, 5418, 5532, 5993, 6454, 6552, 6708, 7224, 7826, 8127, 8298, 9288, 9681, 9828, 10062, 10836, 11064, 11739, 11986, 12447, 12908, 13416, 15093, 15652, 16254, 16596, 17979, 19362, 19656, 19823, 20124, 21672, 23478, 23972, 24894, 25816, 29043, 30186, 31304, 32508, 33192, 35217, 35958, 38724, 39646, 40248, 41951, 46956, 47944, 49788, 53937, 58086, 59469, 60372, 65016, 70434, 71916, 77448, 79292, 83902, 87129, 93912, 99576, 105651, 107874, 116172, 118938, 120744, 125853, 138761, 140868, 143832, 158584, 161811, 167804, 174258, 178407, 211302, 215748, 232344, 237876, 251706, 257699, 277522, 281736, 323622, 335608, 348516, 356814, 377559, 416283, 422604, 431496, 475752, 503412, 515398, 535221, 555044, 647244, 697032, 713628, 755118, 773097, 832566, 845208, 1006824, 1030796, 1070442, 1110088, 1132677, 1248849, 1294488, 1427256, 1510236, 1546194, 1665132, 1803893, 2061592, 2140884, 2265354, 2319291, 2497698, 3020472, 3092388, 3330264, 3607786, 3746547, 4281768, 4530708, 4638582, 4995396, 5411679, 6184776, 6957873, 7215572, 7493094, 9061416, 9277164, 9990792, 10823358, 13915746, 14431144, 14986188, 16235037, 18554328, 21646716, 27831492, 29972376, 32470074, 43293432, 48705111, 55662984, 64940148, 97410222, 129880296, 194820444, 389640888]

約数ペア:

[(1, 389640888), (2, 194820444), (3, 129880296), (4, 97410222), (6, 64940148), (7, 55662984), (8, 48705111), (9, 43293432), (12, 32470074), (13, 29972376), (14, 27831492), (18, 21646716), (21, 18554328), (24, 16235037), (26, 14986188), (27, 14431144), (28, 13915746), (36, 10823358), (39, 9990792), (42, 9277164), (43, 9061416), (52, 7493094), (54, 7215572), (56, 6957873), (63, 6184776), (72, 5411679), (78, 4995396), (84, 4638582), (86, 4530708), (91, 4281768), (104, 3746547), (108, 3607786), (117, 3330264), (126, 3092388), (129, 3020472), (156, 2497698), (168, 2319291), (172, 2265354), (182, 2140884), (189, 2061592), (216, 1803893), (234, 1665132), (252, 1546194), (258, 1510236), (273, 1427256), (301, 1294488), (312, 1248849), (344, 1132677), (351, 1110088), (364, 1070442), (378, 1030796), (387, 1006824), (461, 845208), (468, 832566), (504, 773097), (516, 755118), (546, 713628), (559, 697032), (602, 647244), (702, 555044), (728, 535221), (756, 515398), (774, 503412), (819, 475752), (903, 431496), (922, 422604), (936, 416283), (1032, 377559), (1092, 356814), (1118, 348516), (1161, 335608), (1204, 323622), (1383, 281736), (1404, 277522), (1512, 257699), (1548, 251706), (1638, 237876), (1677, 232344), (1806, 215748), (1844, 211302), (2184, 178407), (2236, 174258), (2322, 167804), (2408, 161811), (2457, 158584), (2709, 143832), (2766, 140868), (2808, 138761), (3096, 125853), (3227, 120744), (3276, 118938), (3354, 116172), (3612, 107874), (3688, 105651), (3913, 99576), (4149, 93912), (4472, 87129), (4644, 83902), (4914, 79292), (5031, 77448), (5418, 71916), (5532, 70434), (5993, 65016), (6454, 60372), (6552, 59469), (6708, 58086), (7224, 53937), (7826, 49788), (8127, 47944), (8298, 46956), (9288, 41951), (9681, 40248), (9828, 39646), (10062, 38724), (10836, 35958), (11064, 35217), (11739, 33192), (11986, 32508), (12447, 31304), (12908, 30186), (13416, 29043), (15093, 25816), (15652, 24894), (16254, 23972), (16596, 23478), (17979, 21672), (19362, 20124), (19656, 19823)]