121285390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{111271}}^1$

素因数の和:111387

約数の個数: 16

約数和(自身を含む): 220318560

約数和(自身を除く): 99033170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 111271, 222542, 556355, 1112710, 12128539, 24257078, 60642695, 121285390]

約数ペア:

[(1, 121285390), (2, 60642695), (5, 24257078), (10, 12128539), (109, 1112710), (218, 556355), (545, 222542), (1090, 111271)]