133985420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{155797}}^1$

素因数の和:155849

約数の個数: 24

約数和(自身を含む): 287914704

約数和(自身を除く): 153929284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 155797, 311594, 623188, 778985, 1557970, 3115940, 6699271, 13398542, 26797084, 33496355, 66992710, 133985420]

約数ペア:

[(1, 133985420), (2, 66992710), (4, 33496355), (5, 26797084), (10, 13398542), (20, 6699271), (43, 3115940), (86, 1557970), (172, 778985), (215, 623188), (430, 311594), (860, 155797)]