205121560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{1223}}^1$

素因数の和:1840

約数の個数: 64

約数和(自身を含む): 528768000

約数和(自身を除く): 323646440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 599, 1198, 1223, 2396, 2446, 2995, 4193, 4792, 4892, 5990, 6115, 8386, 8561, 9784, 11980, 12230, 16772, 17122, 20965, 23960, 24460, 33544, 34244, 41930, 42805, 48920, 68488, 83860, 85610, 167720, 171220, 342440, 732577, 1465154, 2930308, 3662885, 5128039, 5860616, 7325770, 10256078, 14651540, 20512156, 25640195, 29303080, 41024312, 51280390, 102560780, 205121560]

約数ペア:

[(1, 205121560), (2, 102560780), (4, 51280390), (5, 41024312), (7, 29303080), (8, 25640195), (10, 20512156), (14, 14651540), (20, 10256078), (28, 7325770), (35, 5860616), (40, 5128039), (56, 3662885), (70, 2930308), (140, 1465154), (280, 732577), (599, 342440), (1198, 171220), (1223, 167720), (2396, 85610), (2446, 83860), (2995, 68488), (4193, 48920), (4792, 42805), (4892, 41930), (5990, 34244), (6115, 33544), (8386, 24460), (8561, 23960), (9784, 20965), (11980, 17122), (12230, 16772)]