209898380

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{33107}}^1$

素因数の和:33433

約数の個数: 24

約数和(自身を含む): 442190448

約数和(自身を除く): 232292068

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 33107, 66214, 132428, 165535, 331070, 662140, 10494919, 20989838, 41979676, 52474595, 104949190, 209898380]

約数ペア:

[(1, 209898380), (2, 104949190), (4, 52474595), (5, 41979676), (10, 20989838), (20, 10494919), (317, 662140), (634, 331070), (1268, 165535), (1585, 132428), (3170, 66214), (6340, 33107)]