388615968

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:661

約数の個数: 240

約数和(自身を含む): 1297739520

約数和(自身を除く): 909123552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 96, 104, 108, 114, 117, 144, 152, 156, 162, 171, 208, 216, 228, 234, 247, 288, 304, 312, 324, 342, 351, 416, 432, 456, 468, 494, 513, 607, 608, 624, 648, 684, 702, 741, 864, 912, 936, 988, 1026, 1053, 1214, 1248, 1296, 1368, 1404, 1482, 1539, 1821, 1824, 1872, 1976, 2052, 2106, 2223, 2428, 2592, 2736, 2808, 2964, 3078, 3642, 3744, 3952, 4104, 4212, 4446, 4856, 5463, 5472, 5616, 5928, 6156, 6669, 7284, 7891, 7904, 8208, 8424, 8892, 9712, 10926, 11232, 11533, 11856, 12312, 13338, 14568, 15782, 16389, 16416, 16848, 17784, 19424, 20007, 21852, 23066, 23673, 23712, 24624, 26676, 29136, 31564, 32778, 33696, 34599, 35568, 40014, 43704, 46132, 47346, 49167, 49248, 53352, 58272, 63128, 65556, 69198, 71019, 71136, 80028, 87408, 92264, 94692, 98334, 103797, 106704, 126256, 131112, 138396, 142038, 149929, 160056, 174816, 184528, 189384, 196668, 207594, 213057, 213408, 252512, 262224, 276792, 284076, 299858, 311391, 320112, 369056, 378768, 393336, 415188, 426114, 449787, 524448, 553584, 568152, 599716, 622782, 639171, 640224, 757536, 786672, 830376, 852228, 899574, 934173, 1107168, 1136304, 1199432, 1245564, 1278342, 1349361, 1573344, 1660752, 1704456, 1799148, 1868346, 2272608, 2398864, 2491128, 2556684, 2698722, 3321504, 3408912, 3598296, 3736692, 4048083, 4797728, 4982256, 5113368, 5397444, 6817824, 7196592, 7473384, 8096166, 9964512, 10226736, 10794888, 12144249, 14393184, 14946768, 16192332, 20453472, 21589776, 24288498, 29893536, 32384664, 43179552, 48576996, 64769328, 97153992, 129538656, 194307984, 388615968]

約数ペア:

[(1, 388615968), (2, 194307984), (3, 129538656), (4, 97153992), (6, 64769328), (8, 48576996), (9, 43179552), (12, 32384664), (13, 29893536), (16, 24288498), (18, 21589776), (19, 20453472), (24, 16192332), (26, 14946768), (27, 14393184), (32, 12144249), (36, 10794888), (38, 10226736), (39, 9964512), (48, 8096166), (52, 7473384), (54, 7196592), (57, 6817824), (72, 5397444), (76, 5113368), (78, 4982256), (81, 4797728), (96, 4048083), (104, 3736692), (108, 3598296), (114, 3408912), (117, 3321504), (144, 2698722), (152, 2556684), (156, 2491128), (162, 2398864), (171, 2272608), (208, 1868346), (216, 1799148), (228, 1704456), (234, 1660752), (247, 1573344), (288, 1349361), (304, 1278342), (312, 1245564), (324, 1199432), (342, 1136304), (351, 1107168), (416, 934173), (432, 899574), (456, 852228), (468, 830376), (494, 786672), (513, 757536), (607, 640224), (608, 639171), (624, 622782), (648, 599716), (684, 568152), (702, 553584), (741, 524448), (864, 449787), (912, 426114), (936, 415188), (988, 393336), (1026, 378768), (1053, 369056), (1214, 320112), (1248, 311391), (1296, 299858), (1368, 284076), (1404, 276792), (1482, 262224), (1539, 252512), (1821, 213408), (1824, 213057), (1872, 207594), (1976, 196668), (2052, 189384), (2106, 184528), (2223, 174816), (2428, 160056), (2592, 149929), (2736, 142038), (2808, 138396), (2964, 131112), (3078, 126256), (3642, 106704), (3744, 103797), (3952, 98334), (4104, 94692), (4212, 92264), (4446, 87408), (4856, 80028), (5463, 71136), (5472, 71019), (5616, 69198), (5928, 65556), (6156, 63128), (6669, 58272), (7284, 53352), (7891, 49248), (7904, 49167), (8208, 47346), (8424, 46132), (8892, 43704), (9712, 40014), (10926, 35568), (11232, 34599), (11533, 33696), (11856, 32778), (12312, 31564), (13338, 29136), (14568, 26676), (15782, 24624), (16389, 23712), (16416, 23673), (16848, 23066), (17784, 21852), (19424, 20007)]