403885870

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{399887}}^1$

素因数の和:399995

約数の個数: 16

約数和(自身を含む): 734194368

約数和(自身を除く): 330308498

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 399887, 799774, 1999435, 3998870, 40388587, 80777174, 201942935, 403885870]

約数ペア:

[(1, 403885870), (2, 201942935), (5, 80777174), (10, 40388587), (101, 3998870), (202, 1999435), (505, 799774), (1010, 399887)]