399099904

素因数分解:

$2^{11}\times 7^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 960736140

約数和(自身を除く): 561636236

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 82, 97, 98, 112, 128, 164, 194, 196, 224, 256, 287, 328, 388, 392, 448, 512, 574, 656, 679, 776, 784, 896, 1024, 1148, 1312, 1358, 1552, 1568, 1792, 2009, 2048, 2296, 2624, 2716, 3104, 3136, 3584, 3977, 4018, 4592, 4753, 5248, 5432, 6208, 6272, 7168, 7954, 8036, 9184, 9506, 10496, 10864, 12416, 12544, 14336, 15908, 16072, 18368, 19012, 20992, 21728, 24832, 25088, 27839, 31816, 32144, 36736, 38024, 41984, 43456, 49664, 50176, 55678, 63632, 64288, 73472, 76048, 83968, 86912, 99328, 100352, 111356, 127264, 128576, 146944, 152096, 173824, 194873, 198656, 222712, 254528, 257152, 293888, 304192, 347648, 389746, 445424, 509056, 514304, 587776, 608384, 695296, 779492, 890848, 1018112, 1028608, 1216768, 1390592, 1558984, 1781696, 2036224, 2057216, 2433536, 3117968, 3563392, 4072448, 4114432, 4867072, 6235936, 7126784, 8144896, 9734144, 12471872, 14253568, 24943744, 28507136, 49887488, 57014272, 99774976, 199549952, 399099904]

約数ペア:

[(1, 399099904), (2, 199549952), (4, 99774976), (7, 57014272), (8, 49887488), (14, 28507136), (16, 24943744), (28, 14253568), (32, 12471872), (41, 9734144), (49, 8144896), (56, 7126784), (64, 6235936), (82, 4867072), (97, 4114432), (98, 4072448), (112, 3563392), (128, 3117968), (164, 2433536), (194, 2057216), (196, 2036224), (224, 1781696), (256, 1558984), (287, 1390592), (328, 1216768), (388, 1028608), (392, 1018112), (448, 890848), (512, 779492), (574, 695296), (656, 608384), (679, 587776), (776, 514304), (784, 509056), (896, 445424), (1024, 389746), (1148, 347648), (1312, 304192), (1358, 293888), (1552, 257152), (1568, 254528), (1792, 222712), (2009, 198656), (2048, 194873), (2296, 173824), (2624, 152096), (2716, 146944), (3104, 128576), (3136, 127264), (3584, 111356), (3977, 100352), (4018, 99328), (4592, 86912), (4753, 83968), (5248, 76048), (5432, 73472), (6208, 64288), (6272, 63632), (7168, 55678), (7954, 50176), (8036, 49664), (9184, 43456), (9506, 41984), (10496, 38024), (10864, 36736), (12416, 32144), (12544, 31816), (14336, 27839), (15908, 25088), (16072, 24832), (18368, 21728), (19012, 20992)]