239714840

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{17783}}^1$

素因数の和:18131

約数の個数: 32

約数和(自身を含む): 540989280

約数和(自身を除く): 301274440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 13480, 17783, 35566, 71132, 88915, 142264, 177830, 355660, 711320, 5992871, 11985742, 23971484, 29964355, 47942968, 59928710, 119857420, 239714840]

約数ペア:

[(1, 239714840), (2, 119857420), (4, 59928710), (5, 47942968), (8, 29964355), (10, 23971484), (20, 11985742), (40, 5992871), (337, 711320), (674, 355660), (1348, 177830), (1685, 142264), (2696, 88915), (3370, 71132), (6740, 35566), (13480, 17783)]