238305520

素因数分解:

$2^4\times 5^1\times {\mathrm{2978819}}^1$

素因数の和:2978832

約数の個数: 20

約数和(自身を含む): 554060520

約数和(自身を除く): 315755000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2978819, 5957638, 11915276, 14894095, 23830552, 29788190, 47661104, 59576380, 119152760, 238305520]

約数ペア:

[(1, 238305520), (2, 119152760), (4, 59576380), (5, 47661104), (8, 29788190), (10, 23830552), (16, 14894095), (20, 11915276), (40, 5957638), (80, 2978819)]