2108687900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{40787}}^1$

素因数の和:40859

約数の個数: 72

約数和(自身を含む): 5098173696

約数和(自身を除く): 2989485796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 470, 517, 550, 940, 1034, 1100, 1175, 2068, 2350, 2585, 4700, 5170, 10340, 12925, 25850, 40787, 51700, 81574, 163148, 203935, 407870, 448657, 815740, 897314, 1019675, 1794628, 1916989, 2039350, 2243285, 3833978, 4078700, 4486570, 7667956, 8973140, 9584945, 11216425, 19169890, 21086879, 22432850, 38339780, 42173758, 44865700, 47924725, 84347516, 95849450, 105434395, 191698900, 210868790, 421737580, 527171975, 1054343950, 2108687900]

約数ペア:

[(1, 2108687900), (2, 1054343950), (4, 527171975), (5, 421737580), (10, 210868790), (11, 191698900), (20, 105434395), (22, 95849450), (25, 84347516), (44, 47924725), (47, 44865700), (50, 42173758), (55, 38339780), (94, 22432850), (100, 21086879), (110, 19169890), (188, 11216425), (220, 9584945), (235, 8973140), (275, 7667956), (470, 4486570), (517, 4078700), (550, 3833978), (940, 2243285), (1034, 2039350), (1100, 1916989), (1175, 1794628), (2068, 1019675), (2350, 897314), (2585, 815740), (4700, 448657), (5170, 407870), (10340, 203935), (12925, 163148), (25850, 81574), (40787, 51700)]