78723070

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{72223}}^1$

素因数の和:72339

約数の個数: 16

約数和(自身を含む): 143003520

約数和(自身を除く): 64280450

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 72223, 144446, 361115, 722230, 7872307, 15744614, 39361535, 78723070]

約数ペア:

[(1, 78723070), (2, 39361535), (5, 15744614), (10, 7872307), (109, 722230), (218, 361115), (545, 144446), (1090, 72223)]