438076130

素因数分解:

$2^1\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{21871}}^1$

素因数の和:23881

約数の個数: 16

約数和(自身を含む): 788966784

約数和(自身を除く): 350890654

約数列:

[1, 2, 5, 10, 2003, 4006, 10015, 20030, 21871, 43742, 109355, 218710, 43807613, 87615226, 219038065, 438076130]

約数ペア:

[(1, 438076130), (2, 219038065), (5, 87615226), (10, 43807613), (2003, 218710), (4006, 109355), (10015, 43742), (20030, 21871)]