189227890

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{47189}}^1$

素因数の和:47597

約数の個数: 16

約数和(自身を含む): 341466840

約数和(自身を除く): 152238950

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 47189, 94378, 235945, 471890, 18922789, 37845578, 94613945, 189227890]

約数ペア:

[(1, 189227890), (2, 94613945), (5, 37845578), (10, 18922789), (401, 471890), (802, 235945), (2005, 94378), (4010, 47189)]