77747800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1805

約数の個数: 96

約数和(自身を含む): 206236800

約数和(自身を除く): 128489000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 130, 136, 170, 200, 221, 260, 325, 340, 425, 442, 520, 650, 680, 850, 884, 1105, 1300, 1700, 1759, 1768, 2210, 2600, 3400, 3518, 4420, 5525, 7036, 8795, 8840, 11050, 14072, 17590, 22100, 22867, 29903, 35180, 43975, 44200, 45734, 59806, 70360, 87950, 91468, 114335, 119612, 149515, 175900, 182936, 228670, 239224, 299030, 351800, 388739, 457340, 571675, 598060, 747575, 777478, 914680, 1143350, 1196120, 1495150, 1554956, 1943695, 2286700, 2990300, 3109912, 3887390, 4573400, 5980600, 7774780, 9718475, 15549560, 19436950, 38873900, 77747800]

約数ペア:

[(1, 77747800), (2, 38873900), (4, 19436950), (5, 15549560), (8, 9718475), (10, 7774780), (13, 5980600), (17, 4573400), (20, 3887390), (25, 3109912), (26, 2990300), (34, 2286700), (40, 1943695), (50, 1554956), (52, 1495150), (65, 1196120), (68, 1143350), (85, 914680), (100, 777478), (104, 747575), (130, 598060), (136, 571675), (170, 457340), (200, 388739), (221, 351800), (260, 299030), (325, 239224), (340, 228670), (425, 182936), (442, 175900), (520, 149515), (650, 119612), (680, 114335), (850, 91468), (884, 87950), (1105, 70360), (1300, 59806), (1700, 45734), (1759, 44200), (1768, 43975), (2210, 35180), (2600, 29903), (3400, 22867), (3518, 22100), (4420, 17590), (5525, 14072), (7036, 11050), (8795, 8840)]