2989408040

素因数分解:

$2^3\times 5^1\times {\mathrm{74735201}}^1$

素因数の和:74735212

約数の個数: 16

約数和(自身を含む): 6726168180

約数和(自身を除く): 3736760140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 74735201, 149470402, 298940804, 373676005, 597881608, 747352010, 1494704020, 2989408040]

約数ペア:

[(1, 2989408040), (2, 1494704020), (4, 747352010), (5, 597881608), (8, 373676005), (10, 298940804), (20, 149470402), (40, 74735201)]