340388140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{254021}}^1$

素因数の和:254097

約数の個数: 24

約数和(自身を含む): 725486832

約数和(自身を除く): 385098692

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 254021, 508042, 1016084, 1270105, 2540210, 5080420, 17019407, 34038814, 68077628, 85097035, 170194070, 340388140]

約数ペア:

[(1, 340388140), (2, 170194070), (4, 85097035), (5, 68077628), (10, 34038814), (20, 17019407), (67, 5080420), (134, 2540210), (268, 1270105), (335, 1016084), (670, 508042), (1340, 254021)]