2090290888

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1\times {\mathrm{1103}}^1$

素因数の和:1946

約数の個数: 64

約数和(自身を含む): 4593346560

約数和(自身を除く): 2503055672

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 787, 1103, 1204, 1574, 2206, 2408, 3148, 4412, 5509, 6296, 7721, 8824, 11018, 15442, 22036, 30884, 33841, 44072, 47429, 61768, 67682, 94858, 135364, 189716, 236887, 270728, 332003, 379432, 473774, 664006, 868061, 947548, 1328012, 1736122, 1895096, 2656024, 3472244, 6076427, 6944488, 12152854, 24305708, 37326623, 48611416, 74653246, 149306492, 261286361, 298612984, 522572722, 1045145444, 2090290888]

約数ペア:

[(1, 2090290888), (2, 1045145444), (4, 522572722), (7, 298612984), (8, 261286361), (14, 149306492), (28, 74653246), (43, 48611416), (56, 37326623), (86, 24305708), (172, 12152854), (301, 6944488), (344, 6076427), (602, 3472244), (787, 2656024), (1103, 1895096), (1204, 1736122), (1574, 1328012), (2206, 947548), (2408, 868061), (3148, 664006), (4412, 473774), (5509, 379432), (6296, 332003), (7721, 270728), (8824, 236887), (11018, 189716), (15442, 135364), (22036, 94858), (30884, 67682), (33841, 61768), (44072, 47429)]