269427890

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{67189}}^1$

素因数の和:67597

約数の個数: 16

約数和(自身を含む): 486186840

約数和(自身を除く): 216758950

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 67189, 134378, 335945, 671890, 26942789, 53885578, 134713945, 269427890]

約数ペア:

[(1, 269427890), (2, 134713945), (5, 53885578), (10, 26942789), (401, 671890), (802, 335945), (2005, 134378), (4010, 67189)]