199049676820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1554347}}^1$

素因数の和:1554712

約数の個数: 48

約数和(自身を含む): 441310484160

約数和(自身を除く): 242260807340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 337, 380, 674, 1348, 1685, 3370, 6403, 6740, 12806, 25612, 32015, 64030, 128060, 1554347, 3108694, 6217388, 7771735, 15543470, 29532593, 31086940, 59065186, 118130372, 147662965, 295325930, 523814939, 590651860, 1047629878, 2095259756, 2619074695, 5238149390, 9952483841, 10476298780, 19904967682, 39809935364, 49762419205, 99524838410, 199049676820]

約数ペア:

[(1, 199049676820), (2, 99524838410), (4, 49762419205), (5, 39809935364), (10, 19904967682), (19, 10476298780), (20, 9952483841), (38, 5238149390), (76, 2619074695), (95, 2095259756), (190, 1047629878), (337, 590651860), (380, 523814939), (674, 295325930), (1348, 147662965), (1685, 118130372), (3370, 59065186), (6403, 31086940), (6740, 29532593), (12806, 15543470), (25612, 7771735), (32015, 6217388), (64030, 3108694), (128060, 1554347)]