1900641280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 176

約数和(自身を含む): 4766398560

約数和(自身を除く): 2865757280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 89, 97, 128, 160, 172, 178, 194, 215, 256, 320, 344, 356, 388, 430, 445, 485, 512, 640, 688, 712, 776, 860, 890, 970, 1024, 1280, 1376, 1424, 1552, 1720, 1780, 1940, 2560, 2752, 2848, 3104, 3440, 3560, 3827, 3880, 4171, 5120, 5504, 5696, 6208, 6880, 7120, 7654, 7760, 8342, 8633, 11008, 11392, 12416, 13760, 14240, 15308, 15520, 16684, 17266, 19135, 20855, 22016, 22784, 24832, 27520, 28480, 30616, 31040, 33368, 34532, 38270, 41710, 43165, 44032, 45568, 49664, 55040, 56960, 61232, 62080, 66736, 69064, 76540, 83420, 86330, 91136, 99328, 110080, 113920, 122464, 124160, 133472, 138128, 153080, 166840, 172660, 220160, 227840, 244928, 248320, 266944, 276256, 306160, 333680, 345320, 371219, 455680, 489856, 496640, 533888, 552512, 612320, 667360, 690640, 742438, 979712, 1067776, 1105024, 1224640, 1334720, 1381280, 1484876, 1856095, 1959424, 2135552, 2210048, 2449280, 2669440, 2762560, 2969752, 3712190, 3918848, 4271104, 4420096, 4898560, 5338880, 5525120, 5939504, 7424380, 8840192, 9797120, 10677760, 11050240, 11879008, 14848760, 19594240, 21355520, 22100480, 23758016, 29697520, 44200960, 47516032, 59395040, 95032064, 118790080, 190064128, 237580160, 380128256, 475160320, 950320640, 1900641280]

約数ペア:

[(1, 1900641280), (2, 950320640), (4, 475160320), (5, 380128256), (8, 237580160), (10, 190064128), (16, 118790080), (20, 95032064), (32, 59395040), (40, 47516032), (43, 44200960), (64, 29697520), (80, 23758016), (86, 22100480), (89, 21355520), (97, 19594240), (128, 14848760), (160, 11879008), (172, 11050240), (178, 10677760), (194, 9797120), (215, 8840192), (256, 7424380), (320, 5939504), (344, 5525120), (356, 5338880), (388, 4898560), (430, 4420096), (445, 4271104), (485, 3918848), (512, 3712190), (640, 2969752), (688, 2762560), (712, 2669440), (776, 2449280), (860, 2210048), (890, 2135552), (970, 1959424), (1024, 1856095), (1280, 1484876), (1376, 1381280), (1424, 1334720), (1552, 1224640), (1720, 1105024), (1780, 1067776), (1940, 979712), (2560, 742438), (2752, 690640), (2848, 667360), (3104, 612320), (3440, 552512), (3560, 533888), (3827, 496640), (3880, 489856), (4171, 455680), (5120, 371219), (5504, 345320), (5696, 333680), (6208, 306160), (6880, 276256), (7120, 266944), (7654, 248320), (7760, 244928), (8342, 227840), (8633, 220160), (11008, 172660), (11392, 166840), (12416, 153080), (13760, 138128), (14240, 133472), (15308, 124160), (15520, 122464), (16684, 113920), (17266, 110080), (19135, 99328), (20855, 91136), (22016, 86330), (22784, 83420), (24832, 76540), (27520, 69064), (28480, 66736), (30616, 62080), (31040, 61232), (33368, 56960), (34532, 55040), (38270, 49664), (41710, 45568), (43165, 44032)]