159403780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{73121}}^1$

素因数の和:73239

約数の個数: 24

約数和(自身を含む): 337823640

約数和(自身を除く): 178419860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 73121, 146242, 292484, 365605, 731210, 1462420, 7970189, 15940378, 31880756, 39850945, 79701890, 159403780]

約数ペア:

[(1, 159403780), (2, 79701890), (4, 39850945), (5, 31880756), (10, 15940378), (20, 7970189), (109, 1462420), (218, 731210), (436, 365605), (545, 292484), (1090, 146242), (2180, 73121)]