205503760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 160

約数和(自身を含む): 605175552

約数和(自身を除く): 399671792

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 80, 88, 110, 112, 140, 146, 154, 176, 220, 280, 292, 308, 365, 385, 440, 457, 511, 560, 584, 616, 730, 770, 803, 880, 914, 1022, 1168, 1232, 1460, 1540, 1606, 1828, 2044, 2285, 2555, 2920, 3080, 3199, 3212, 3656, 4015, 4088, 4570, 5027, 5110, 5621, 5840, 6160, 6398, 6424, 7312, 8030, 8176, 9140, 10054, 10220, 11242, 12796, 12848, 15995, 16060, 18280, 20108, 20440, 22484, 25135, 25592, 28105, 31990, 32120, 33361, 35189, 36560, 40216, 40880, 44968, 50270, 51184, 56210, 63980, 64240, 66722, 70378, 80432, 89936, 100540, 112420, 127960, 133444, 140756, 166805, 175945, 201080, 224840, 233527, 255920, 266888, 281512, 333610, 351890, 366971, 402160, 449680, 467054, 533776, 563024, 667220, 703780, 733942, 934108, 1167635, 1334440, 1407560, 1467884, 1834855, 1868216, 2335270, 2568797, 2668880, 2815120, 2935768, 3669710, 3736432, 4670540, 5137594, 5871536, 7339420, 9341080, 10275188, 12843985, 14678840, 18682160, 20550376, 25687970, 29357680, 41100752, 51375940, 102751880, 205503760]

約数ペア:

[(1, 205503760), (2, 102751880), (4, 51375940), (5, 41100752), (7, 29357680), (8, 25687970), (10, 20550376), (11, 18682160), (14, 14678840), (16, 12843985), (20, 10275188), (22, 9341080), (28, 7339420), (35, 5871536), (40, 5137594), (44, 4670540), (55, 3736432), (56, 3669710), (70, 2935768), (73, 2815120), (77, 2668880), (80, 2568797), (88, 2335270), (110, 1868216), (112, 1834855), (140, 1467884), (146, 1407560), (154, 1334440), (176, 1167635), (220, 934108), (280, 733942), (292, 703780), (308, 667220), (365, 563024), (385, 533776), (440, 467054), (457, 449680), (511, 402160), (560, 366971), (584, 351890), (616, 333610), (730, 281512), (770, 266888), (803, 255920), (880, 233527), (914, 224840), (1022, 201080), (1168, 175945), (1232, 166805), (1460, 140756), (1540, 133444), (1606, 127960), (1828, 112420), (2044, 100540), (2285, 89936), (2555, 80432), (2920, 70378), (3080, 66722), (3199, 64240), (3212, 63980), (3656, 56210), (4015, 51184), (4088, 50270), (4570, 44968), (5027, 40880), (5110, 40216), (5621, 36560), (5840, 35189), (6160, 33361), (6398, 32120), (6424, 31990), (7312, 28105), (8030, 25592), (8176, 25135), (9140, 22484), (10054, 20440), (10220, 20108), (11242, 18280), (12796, 16060), (12848, 15995)]