398827520

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 224

約数和(自身を含む): 1189012608

約数和(自身を除く): 790185088

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 107, 112, 128, 130, 140, 160, 182, 208, 214, 224, 256, 260, 280, 320, 364, 416, 428, 448, 455, 512, 520, 535, 560, 640, 728, 749, 832, 856, 896, 910, 1024, 1040, 1070, 1120, 1280, 1391, 1456, 1498, 1664, 1712, 1792, 1820, 2048, 2080, 2140, 2240, 2560, 2782, 2912, 2996, 3328, 3424, 3584, 3640, 3745, 4096, 4160, 4280, 4480, 5120, 5564, 5824, 5992, 6656, 6848, 6955, 7168, 7280, 7490, 8192, 8320, 8560, 8960, 9737, 10240, 11128, 11648, 11984, 13312, 13696, 13910, 14336, 14560, 14980, 16640, 17120, 17920, 19474, 20480, 22256, 23296, 23968, 26624, 27392, 27820, 28672, 29120, 29960, 33280, 34240, 35840, 38948, 40960, 44512, 46592, 47936, 48685, 53248, 54784, 55640, 57344, 58240, 59920, 66560, 68480, 71680, 77896, 89024, 93184, 95872, 97370, 106496, 109568, 111280, 116480, 119840, 133120, 136960, 143360, 155792, 178048, 186368, 191744, 194740, 219136, 222560, 232960, 239680, 266240, 273920, 286720, 311584, 356096, 372736, 383488, 389480, 438272, 445120, 465920, 479360, 532480, 547840, 623168, 712192, 745472, 766976, 778960, 876544, 890240, 931840, 958720, 1095680, 1246336, 1424384, 1533952, 1557920, 1780480, 1863680, 1917440, 2191360, 2492672, 2848768, 3067904, 3115840, 3560960, 3727360, 3834880, 4382720, 4985344, 5697536, 6135808, 6231680, 7121920, 7669760, 9970688, 11395072, 12463360, 14243840, 15339520, 19941376, 24926720, 28487680, 30679040, 39882752, 49853440, 56975360, 79765504, 99706880, 199413760, 398827520]

約数ペア:

[(1, 398827520), (2, 199413760), (4, 99706880), (5, 79765504), (7, 56975360), (8, 49853440), (10, 39882752), (13, 30679040), (14, 28487680), (16, 24926720), (20, 19941376), (26, 15339520), (28, 14243840), (32, 12463360), (35, 11395072), (40, 9970688), (52, 7669760), (56, 7121920), (64, 6231680), (65, 6135808), (70, 5697536), (80, 4985344), (91, 4382720), (104, 3834880), (107, 3727360), (112, 3560960), (128, 3115840), (130, 3067904), (140, 2848768), (160, 2492672), (182, 2191360), (208, 1917440), (214, 1863680), (224, 1780480), (256, 1557920), (260, 1533952), (280, 1424384), (320, 1246336), (364, 1095680), (416, 958720), (428, 931840), (448, 890240), (455, 876544), (512, 778960), (520, 766976), (535, 745472), (560, 712192), (640, 623168), (728, 547840), (749, 532480), (832, 479360), (856, 465920), (896, 445120), (910, 438272), (1024, 389480), (1040, 383488), (1070, 372736), (1120, 356096), (1280, 311584), (1391, 286720), (1456, 273920), (1498, 266240), (1664, 239680), (1712, 232960), (1792, 222560), (1820, 219136), (2048, 194740), (2080, 191744), (2140, 186368), (2240, 178048), (2560, 155792), (2782, 143360), (2912, 136960), (2996, 133120), (3328, 119840), (3424, 116480), (3584, 111280), (3640, 109568), (3745, 106496), (4096, 97370), (4160, 95872), (4280, 93184), (4480, 89024), (5120, 77896), (5564, 71680), (5824, 68480), (5992, 66560), (6656, 59920), (6848, 58240), (6955, 57344), (7168, 55640), (7280, 54784), (7490, 53248), (8192, 48685), (8320, 47936), (8560, 46592), (8960, 44512), (9737, 40960), (10240, 38948), (11128, 35840), (11648, 34240), (11984, 33280), (13312, 29960), (13696, 29120), (13910, 28672), (14336, 27820), (14560, 27392), (14980, 26624), (16640, 23968), (17120, 23296), (17920, 22256), (19474, 20480)]