2178718864

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{1459}}^1$

素因数の和:1740

約数の個数: 80

約数和(自身を含む): 4924288000

約数和(自身を除く): 2745569136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 199, 268, 398, 469, 536, 796, 938, 1072, 1393, 1459, 1592, 1876, 2786, 2918, 3184, 3752, 5572, 5836, 7504, 10213, 11144, 11672, 13333, 20426, 22288, 23344, 26666, 40852, 53332, 81704, 93331, 97753, 106664, 163408, 186662, 195506, 213328, 290341, 373324, 391012, 580682, 684271, 746648, 782024, 1161364, 1368542, 1493296, 1564048, 2032387, 2322728, 2737084, 4064774, 4645456, 5474168, 8129548, 10948336, 16259096, 19452847, 32518192, 38905694, 77811388, 136169929, 155622776, 272339858, 311245552, 544679716, 1089359432, 2178718864]

約数ペア:

[(1, 2178718864), (2, 1089359432), (4, 544679716), (7, 311245552), (8, 272339858), (14, 155622776), (16, 136169929), (28, 77811388), (56, 38905694), (67, 32518192), (112, 19452847), (134, 16259096), (199, 10948336), (268, 8129548), (398, 5474168), (469, 4645456), (536, 4064774), (796, 2737084), (938, 2322728), (1072, 2032387), (1393, 1564048), (1459, 1493296), (1592, 1368542), (1876, 1161364), (2786, 782024), (2918, 746648), (3184, 684271), (3752, 580682), (5572, 391012), (5836, 373324), (7504, 290341), (10213, 213328), (11144, 195506), (11672, 186662), (13333, 163408), (20426, 106664), (22288, 97753), (23344, 93331), (26666, 81704), (40852, 53332)]