390720512

素因数分解:

$2^{10}\times 7^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:646

約数の個数: 132

約数和(自身を含む): 980103600

約数和(自身を除く): 589383088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 364, 392, 416, 448, 512, 599, 637, 728, 784, 832, 896, 1024, 1198, 1274, 1456, 1568, 1664, 1792, 2396, 2548, 2912, 3136, 3328, 3584, 4193, 4792, 5096, 5824, 6272, 6656, 7168, 7787, 8386, 9584, 10192, 11648, 12544, 13312, 15574, 16772, 19168, 20384, 23296, 25088, 29351, 31148, 33544, 38336, 40768, 46592, 50176, 54509, 58702, 62296, 67088, 76672, 81536, 93184, 109018, 117404, 124592, 134176, 153344, 163072, 218036, 234808, 249184, 268352, 306688, 326144, 381563, 436072, 469616, 498368, 536704, 613376, 652288, 763126, 872144, 939232, 996736, 1073408, 1526252, 1744288, 1878464, 1993472, 2146816, 3052504, 3488576, 3756928, 3986944, 4293632, 6105008, 6977152, 7513856, 7973888, 12210016, 13954304, 15027712, 24420032, 27908608, 30055424, 48840064, 55817216, 97680128, 195360256, 390720512]

約数ペア:

[(1, 390720512), (2, 195360256), (4, 97680128), (7, 55817216), (8, 48840064), (13, 30055424), (14, 27908608), (16, 24420032), (26, 15027712), (28, 13954304), (32, 12210016), (49, 7973888), (52, 7513856), (56, 6977152), (64, 6105008), (91, 4293632), (98, 3986944), (104, 3756928), (112, 3488576), (128, 3052504), (182, 2146816), (196, 1993472), (208, 1878464), (224, 1744288), (256, 1526252), (364, 1073408), (392, 996736), (416, 939232), (448, 872144), (512, 763126), (599, 652288), (637, 613376), (728, 536704), (784, 498368), (832, 469616), (896, 436072), (1024, 381563), (1198, 326144), (1274, 306688), (1456, 268352), (1568, 249184), (1664, 234808), (1792, 218036), (2396, 163072), (2548, 153344), (2912, 134176), (3136, 124592), (3328, 117404), (3584, 109018), (4193, 93184), (4792, 81536), (5096, 76672), (5824, 67088), (6272, 62296), (6656, 58702), (7168, 54509), (7787, 50176), (8386, 46592), (9584, 40768), (10192, 38336), (11648, 33544), (12544, 31148), (13312, 29351), (15574, 25088), (16772, 23296), (19168, 20384)]