25785270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1949}}^1$

素因数の和:1979

約数の個数: 96

約数和(自身を含む): 80028000

約数和(自身を除く): 54242730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 1949, 2205, 2646, 3898, 4410, 5847, 6615, 9745, 11694, 13230, 13643, 17541, 19490, 27286, 29235, 35082, 40929, 52623, 58470, 68215, 81858, 87705, 95501, 105246, 122787, 136430, 175410, 191002, 204645, 245574, 263115, 286503, 368361, 409290, 477505, 526230, 573006, 613935, 736722, 859509, 955010, 1227870, 1432515, 1719018, 1841805, 2578527, 2865030, 3683610, 4297545, 5157054, 8595090, 12892635, 25785270]

約数ペア:

[(1, 25785270), (2, 12892635), (3, 8595090), (5, 5157054), (6, 4297545), (7, 3683610), (9, 2865030), (10, 2578527), (14, 1841805), (15, 1719018), (18, 1432515), (21, 1227870), (27, 955010), (30, 859509), (35, 736722), (42, 613935), (45, 573006), (49, 526230), (54, 477505), (63, 409290), (70, 368361), (90, 286503), (98, 263115), (105, 245574), (126, 204645), (135, 191002), (147, 175410), (189, 136430), (210, 122787), (245, 105246), (270, 95501), (294, 87705), (315, 81858), (378, 68215), (441, 58470), (490, 52623), (630, 40929), (735, 35082), (882, 29235), (945, 27286), (1323, 19490), (1470, 17541), (1890, 13643), (1949, 13230), (2205, 11694), (2646, 9745), (3898, 6615), (4410, 5847)]