2051228144

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20509}}^1$

素因数の和:20590

約数の個数: 80

約数和(自身を含む): 4883020800

約数和(自身を除く): 2831792656

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 56, 76, 94, 112, 133, 152, 188, 266, 304, 329, 376, 532, 658, 752, 893, 1064, 1316, 1786, 2128, 2632, 3572, 5264, 6251, 7144, 12502, 14288, 20509, 25004, 41018, 50008, 82036, 100016, 143563, 164072, 287126, 328144, 389671, 574252, 779342, 963923, 1148504, 1558684, 1927846, 2297008, 2727697, 3117368, 3855692, 5455394, 6234736, 6747461, 7711384, 10910788, 13494922, 15422768, 18314537, 21821576, 26989844, 36629074, 43643152, 53979688, 73258148, 107959376, 128201759, 146516296, 256403518, 293032592, 512807036, 1025614072, 2051228144]

約数ペア:

[(1, 2051228144), (2, 1025614072), (4, 512807036), (7, 293032592), (8, 256403518), (14, 146516296), (16, 128201759), (19, 107959376), (28, 73258148), (38, 53979688), (47, 43643152), (56, 36629074), (76, 26989844), (94, 21821576), (112, 18314537), (133, 15422768), (152, 13494922), (188, 10910788), (266, 7711384), (304, 6747461), (329, 6234736), (376, 5455394), (532, 3855692), (658, 3117368), (752, 2727697), (893, 2297008), (1064, 1927846), (1316, 1558684), (1786, 1148504), (2128, 963923), (2632, 779342), (3572, 574252), (5264, 389671), (6251, 328144), (7144, 287126), (12502, 164072), (14288, 143563), (20509, 100016), (25004, 82036), (41018, 50008)]