213931520

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 160

約数和(自身を含む): 572749056

約数和(自身を除く): 358817536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 107, 110, 128, 142, 160, 176, 214, 220, 256, 284, 320, 352, 355, 428, 440, 512, 535, 568, 640, 704, 710, 781, 856, 880, 1070, 1136, 1177, 1280, 1408, 1420, 1562, 1712, 1760, 2140, 2272, 2354, 2560, 2816, 2840, 3124, 3424, 3520, 3905, 4280, 4544, 4708, 5632, 5680, 5885, 6248, 6848, 7040, 7597, 7810, 8560, 9088, 9416, 11360, 11770, 12496, 13696, 14080, 15194, 15620, 17120, 18176, 18832, 22720, 23540, 24992, 27392, 28160, 30388, 31240, 34240, 36352, 37664, 37985, 45440, 47080, 49984, 54784, 60776, 62480, 68480, 75328, 75970, 83567, 90880, 94160, 99968, 121552, 124960, 136960, 150656, 151940, 167134, 181760, 188320, 199936, 243104, 249920, 273920, 301312, 303880, 334268, 376640, 399872, 417835, 486208, 499840, 602624, 607760, 668536, 753280, 835670, 972416, 999680, 1215520, 1337072, 1506560, 1671340, 1944832, 1999360, 2431040, 2674144, 3013120, 3342680, 3889664, 4862080, 5348288, 6685360, 9724160, 10696576, 13370720, 19448320, 21393152, 26741440, 42786304, 53482880, 106965760, 213931520]

約数ペア:

[(1, 213931520), (2, 106965760), (4, 53482880), (5, 42786304), (8, 26741440), (10, 21393152), (11, 19448320), (16, 13370720), (20, 10696576), (22, 9724160), (32, 6685360), (40, 5348288), (44, 4862080), (55, 3889664), (64, 3342680), (71, 3013120), (80, 2674144), (88, 2431040), (107, 1999360), (110, 1944832), (128, 1671340), (142, 1506560), (160, 1337072), (176, 1215520), (214, 999680), (220, 972416), (256, 835670), (284, 753280), (320, 668536), (352, 607760), (355, 602624), (428, 499840), (440, 486208), (512, 417835), (535, 399872), (568, 376640), (640, 334268), (704, 303880), (710, 301312), (781, 273920), (856, 249920), (880, 243104), (1070, 199936), (1136, 188320), (1177, 181760), (1280, 167134), (1408, 151940), (1420, 150656), (1562, 136960), (1712, 124960), (1760, 121552), (2140, 99968), (2272, 94160), (2354, 90880), (2560, 83567), (2816, 75970), (2840, 75328), (3124, 68480), (3424, 62480), (3520, 60776), (3905, 54784), (4280, 49984), (4544, 47080), (4708, 45440), (5632, 37985), (5680, 37664), (5885, 36352), (6248, 34240), (6848, 31240), (7040, 30388), (7597, 28160), (7810, 27392), (8560, 24992), (9088, 23540), (9416, 22720), (11360, 18832), (11770, 18176), (12496, 17120), (13696, 15620), (14080, 15194)]