221708030

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{80039}}^1$

素因数の和:80323

約数の個数: 16

約数和(自身を含む): 400520160

約数和(自身を除く): 178812130

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 80039, 160078, 400195, 800390, 22170803, 44341606, 110854015, 221708030]

約数ペア:

[(1, 221708030), (2, 110854015), (5, 44341606), (10, 22170803), (277, 800390), (554, 400195), (1385, 160078), (2770, 80039)]