209917680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{124951}}^1$

素因数の和:124974

約数の個数: 80

約数和(自身を含む): 743714304

約数和(自身を除く): 533796624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 124951, 249902, 374853, 499804, 624755, 749706, 874657, 999608, 1249510, 1499412, 1749314, 1874265, 1999216, 2499020, 2623971, 2998824, 3498628, 3748530, 4373285, 4998040, 5247942, 5997648, 6997256, 7497060, 8746570, 9996080, 10495884, 13119855, 13994512, 14994120, 17493140, 20991768, 26239710, 29988240, 34986280, 41983536, 52479420, 69972560, 104958840, 209917680]

約数ペア:

[(1, 209917680), (2, 104958840), (3, 69972560), (4, 52479420), (5, 41983536), (6, 34986280), (7, 29988240), (8, 26239710), (10, 20991768), (12, 17493140), (14, 14994120), (15, 13994512), (16, 13119855), (20, 10495884), (21, 9996080), (24, 8746570), (28, 7497060), (30, 6997256), (35, 5997648), (40, 5247942), (42, 4998040), (48, 4373285), (56, 3748530), (60, 3498628), (70, 2998824), (80, 2623971), (84, 2499020), (105, 1999216), (112, 1874265), (120, 1749314), (140, 1499412), (168, 1249510), (210, 999608), (240, 874657), (280, 749706), (336, 624755), (420, 499804), (560, 374853), (840, 249902), (1680, 124951)]