251342660

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{122011}}^1$

素因数の和:122123

約数の個数: 24

約数和(自身を含む): 532948416

約数和(自身を除く): 281605756

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 122011, 244022, 488044, 610055, 1220110, 2440220, 12567133, 25134266, 50268532, 62835665, 125671330, 251342660]

約数ペア:

[(1, 251342660), (2, 125671330), (4, 62835665), (5, 50268532), (10, 25134266), (20, 12567133), (103, 2440220), (206, 1220110), (412, 610055), (515, 488044), (1030, 244022), (2060, 122011)]