238415620

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{87013}}^1$

素因数の和:87159

約数の個数: 24

約数和(自身を含む): 504333144

約数和(自身を除く): 265917524

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 87013, 174026, 348052, 435065, 870130, 1740260, 11920781, 23841562, 47683124, 59603905, 119207810, 238415620]

約数ペア:

[(1, 238415620), (2, 119207810), (4, 59603905), (5, 47683124), (10, 23841562), (20, 11920781), (137, 1740260), (274, 870130), (548, 435065), (685, 348052), (1370, 174026), (2740, 87013)]