201557860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1439699}}^1$

素因数の和:1439715

約数の個数: 24

約数和(自身を含む): 483739200

約数和(自身を除く): 282181340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1439699, 2879398, 5758796, 7198495, 10077893, 14396990, 20155786, 28793980, 40311572, 50389465, 100778930, 201557860]

約数ペア:

[(1, 201557860), (2, 100778930), (4, 50389465), (5, 40311572), (7, 28793980), (10, 20155786), (14, 14396990), (20, 10077893), (28, 7198495), (35, 5758796), (70, 2879398), (140, 1439699)]