149079440

素因数分解:

$2^4\times 5^1\times {\mathrm{1863493}}^1$

素因数の和:1863506

約数の個数: 20

約数和(自身を含む): 346609884

約数和(自身を除く): 197530444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1863493, 3726986, 7453972, 9317465, 14907944, 18634930, 29815888, 37269860, 74539720, 149079440]

約数ペア:

[(1, 149079440), (2, 74539720), (4, 37269860), (5, 29815888), (8, 18634930), (10, 14907944), (16, 9317465), (20, 7453972), (40, 3726986), (80, 1863493)]