749731840

素因数分解:

$2^{20}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:69

約数の個数: 168

約数和(自身を含む): 2113928208

約数和(自身を除く): 1364196368

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 512, 520, 572, 640, 704, 715, 832, 880, 1024, 1040, 1144, 1280, 1408, 1430, 1664, 1760, 2048, 2080, 2288, 2560, 2816, 2860, 3328, 3520, 4096, 4160, 4576, 5120, 5632, 5720, 6656, 7040, 8192, 8320, 9152, 10240, 11264, 11440, 13312, 14080, 16384, 16640, 18304, 20480, 22528, 22880, 26624, 28160, 32768, 33280, 36608, 40960, 45056, 45760, 53248, 56320, 65536, 66560, 73216, 81920, 90112, 91520, 106496, 112640, 131072, 133120, 146432, 163840, 180224, 183040, 212992, 225280, 262144, 266240, 292864, 327680, 360448, 366080, 425984, 450560, 524288, 532480, 585728, 655360, 720896, 732160, 851968, 901120, 1048576, 1064960, 1171456, 1310720, 1441792, 1464320, 1703936, 1802240, 2129920, 2342912, 2621440, 2883584, 2928640, 3407872, 3604480, 4259840, 4685824, 5242880, 5767168, 5857280, 6815744, 7208960, 8519680, 9371648, 11534336, 11714560, 13631488, 14417920, 17039360, 18743296, 23429120, 28835840, 34078720, 37486592, 46858240, 57671680, 68157440, 74973184, 93716480, 149946368, 187432960, 374865920, 749731840]

約数ペア:

[(1, 749731840), (2, 374865920), (4, 187432960), (5, 149946368), (8, 93716480), (10, 74973184), (11, 68157440), (13, 57671680), (16, 46858240), (20, 37486592), (22, 34078720), (26, 28835840), (32, 23429120), (40, 18743296), (44, 17039360), (52, 14417920), (55, 13631488), (64, 11714560), (65, 11534336), (80, 9371648), (88, 8519680), (104, 7208960), (110, 6815744), (128, 5857280), (130, 5767168), (143, 5242880), (160, 4685824), (176, 4259840), (208, 3604480), (220, 3407872), (256, 2928640), (260, 2883584), (286, 2621440), (320, 2342912), (352, 2129920), (416, 1802240), (440, 1703936), (512, 1464320), (520, 1441792), (572, 1310720), (640, 1171456), (704, 1064960), (715, 1048576), (832, 901120), (880, 851968), (1024, 732160), (1040, 720896), (1144, 655360), (1280, 585728), (1408, 532480), (1430, 524288), (1664, 450560), (1760, 425984), (2048, 366080), (2080, 360448), (2288, 327680), (2560, 292864), (2816, 266240), (2860, 262144), (3328, 225280), (3520, 212992), (4096, 183040), (4160, 180224), (4576, 163840), (5120, 146432), (5632, 133120), (5720, 131072), (6656, 112640), (7040, 106496), (8192, 91520), (8320, 90112), (9152, 81920), (10240, 73216), (11264, 66560), (11440, 65536), (13312, 56320), (14080, 53248), (16384, 45760), (16640, 45056), (18304, 40960), (20480, 36608), (22528, 33280), (22880, 32768), (26624, 28160)]