348344380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{159791}}^1$

素因数の和:159909

約数の個数: 24

約数和(自身を含む): 738239040

約数和(自身を除く): 389894660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 159791, 319582, 639164, 798955, 1597910, 3195820, 17417219, 34834438, 69668876, 87086095, 174172190, 348344380]

約数ペア:

[(1, 348344380), (2, 174172190), (4, 87086095), (5, 69668876), (10, 34834438), (20, 17417219), (109, 3195820), (218, 1597910), (436, 798955), (545, 639164), (1090, 319582), (2180, 159791)]