315033980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{144511}}^1$

素因数の和:144629

約数の個数: 24

約数和(自身を含む): 667645440

約数和(自身を除く): 352611460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 144511, 289022, 578044, 722555, 1445110, 2890220, 15751699, 31503398, 63006796, 78758495, 157516990, 315033980]

約数ペア:

[(1, 315033980), (2, 157516990), (4, 78758495), (5, 63006796), (10, 31503398), (20, 15751699), (109, 2890220), (218, 1445110), (436, 722555), (545, 578044), (1090, 289022), (2180, 144511)]