157419980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{72211}}^1$

素因数の和:72329

約数の個数: 24

約数和(自身を含む): 333619440

約数和(自身を除く): 176199460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 72211, 144422, 288844, 361055, 722110, 1444220, 7870999, 15741998, 31483996, 39354995, 78709990, 157419980]

約数ペア:

[(1, 157419980), (2, 78709990), (4, 39354995), (5, 31483996), (10, 15741998), (20, 7870999), (109, 1444220), (218, 722110), (436, 361055), (545, 288844), (1090, 144422), (2180, 72211)]