28226660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18329}}^1$

素因数の和:18356

約数の個数: 48

約数和(自身を含む): 73906560

約数和(自身を除く): 45679900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18329, 36658, 73316, 91645, 128303, 183290, 201619, 256606, 366580, 403238, 513212, 641515, 806476, 1008095, 1283030, 1411333, 2016190, 2566060, 2822666, 4032380, 5645332, 7056665, 14113330, 28226660]

約数ペア:

[(1, 28226660), (2, 14113330), (4, 7056665), (5, 5645332), (7, 4032380), (10, 2822666), (11, 2566060), (14, 2016190), (20, 1411333), (22, 1283030), (28, 1008095), (35, 806476), (44, 641515), (55, 513212), (70, 403238), (77, 366580), (110, 256606), (140, 201619), (154, 183290), (220, 128303), (308, 91645), (385, 73316), (770, 36658), (1540, 18329)]