201020500

素因数分解:

$2^2\times 5^3\times {\mathrm{337}}^1\times {\mathrm{1193}}^1$

素因数の和:1549

約数の個数: 48

約数和(自身を含む): 440700624

約数和(自身を除く): 239680124

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 337, 500, 674, 1193, 1348, 1685, 2386, 3370, 4772, 5965, 6740, 8425, 11930, 16850, 23860, 29825, 33700, 42125, 59650, 84250, 119300, 149125, 168500, 298250, 402041, 596500, 804082, 1608164, 2010205, 4020410, 8040820, 10051025, 20102050, 40204100, 50255125, 100510250, 201020500]

約数ペア:

[(1, 201020500), (2, 100510250), (4, 50255125), (5, 40204100), (10, 20102050), (20, 10051025), (25, 8040820), (50, 4020410), (100, 2010205), (125, 1608164), (250, 804082), (337, 596500), (500, 402041), (674, 298250), (1193, 168500), (1348, 149125), (1685, 119300), (2386, 84250), (3370, 59650), (4772, 42125), (5965, 33700), (6740, 29825), (8425, 23860), (11930, 16850)]