388309992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:783

約数の個数: 128

約数和(自身を含む): 1175040000

約数和(自身を除く): 786730008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 239, 266, 399, 456, 478, 509, 532, 717, 798, 956, 1018, 1064, 1434, 1527, 1596, 1673, 1912, 2036, 2868, 3054, 3192, 3346, 3563, 4072, 4541, 5019, 5736, 6108, 6692, 7126, 9082, 9671, 10038, 10689, 12216, 13384, 13623, 14252, 18164, 19342, 20076, 21378, 27246, 28504, 29013, 31787, 36328, 38684, 40152, 42756, 54492, 58026, 63574, 67697, 77368, 85512, 95361, 108984, 116052, 121651, 127148, 135394, 190722, 203091, 232104, 243302, 254296, 270788, 364953, 381444, 406182, 486604, 541576, 729906, 762888, 812364, 851557, 973208, 1459812, 1624728, 1703114, 2311369, 2554671, 2919624, 3406228, 4622738, 5109342, 6812456, 6934107, 9245476, 10218684, 13868214, 16179583, 18490952, 20437368, 27736428, 32359166, 48538749, 55472856, 64718332, 97077498, 129436664, 194154996, 388309992]

約数ペア:

[(1, 388309992), (2, 194154996), (3, 129436664), (4, 97077498), (6, 64718332), (7, 55472856), (8, 48538749), (12, 32359166), (14, 27736428), (19, 20437368), (21, 18490952), (24, 16179583), (28, 13868214), (38, 10218684), (42, 9245476), (56, 6934107), (57, 6812456), (76, 5109342), (84, 4622738), (114, 3406228), (133, 2919624), (152, 2554671), (168, 2311369), (228, 1703114), (239, 1624728), (266, 1459812), (399, 973208), (456, 851557), (478, 812364), (509, 762888), (532, 729906), (717, 541576), (798, 486604), (956, 406182), (1018, 381444), (1064, 364953), (1434, 270788), (1527, 254296), (1596, 243302), (1673, 232104), (1912, 203091), (2036, 190722), (2868, 135394), (3054, 127148), (3192, 121651), (3346, 116052), (3563, 108984), (4072, 95361), (4541, 85512), (5019, 77368), (5736, 67697), (6108, 63574), (6692, 58026), (7126, 54492), (9082, 42756), (9671, 40152), (10038, 38684), (10689, 36328), (12216, 31787), (13384, 29013), (13623, 28504), (14252, 27246), (18164, 21378), (19342, 20076)]