211651520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 112

約数和(自身を含む): 532180800

約数和(自身を除く): 320529280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 149, 160, 184, 193, 230, 298, 320, 368, 386, 460, 596, 736, 745, 772, 920, 965, 1192, 1472, 1490, 1544, 1840, 1930, 2384, 2980, 3088, 3427, 3680, 3860, 4439, 4768, 5960, 6176, 6854, 7360, 7720, 8878, 9536, 11920, 12352, 13708, 15440, 17135, 17756, 22195, 23840, 27416, 28757, 30880, 34270, 35512, 44390, 47680, 54832, 57514, 61760, 68540, 71024, 88780, 109664, 115028, 137080, 142048, 143785, 177560, 219328, 230056, 274160, 284096, 287570, 355120, 460112, 548320, 575140, 661411, 710240, 920224, 1096640, 1150280, 1322822, 1420480, 1840448, 2300560, 2645644, 3307055, 4601120, 5291288, 6614110, 9202240, 10582576, 13228220, 21165152, 26456440, 42330304, 52912880, 105825760, 211651520]

約数ペア:

[(1, 211651520), (2, 105825760), (4, 52912880), (5, 42330304), (8, 26456440), (10, 21165152), (16, 13228220), (20, 10582576), (23, 9202240), (32, 6614110), (40, 5291288), (46, 4601120), (64, 3307055), (80, 2645644), (92, 2300560), (115, 1840448), (149, 1420480), (160, 1322822), (184, 1150280), (193, 1096640), (230, 920224), (298, 710240), (320, 661411), (368, 575140), (386, 548320), (460, 460112), (596, 355120), (736, 287570), (745, 284096), (772, 274160), (920, 230056), (965, 219328), (1192, 177560), (1472, 143785), (1490, 142048), (1544, 137080), (1840, 115028), (1930, 109664), (2384, 88780), (2980, 71024), (3088, 68540), (3427, 61760), (3680, 57514), (3860, 54832), (4439, 47680), (4768, 44390), (5960, 35512), (6176, 34270), (6854, 30880), (7360, 28757), (7720, 27416), (8878, 23840), (9536, 22195), (11920, 17756), (12352, 17135), (13708, 15440)]