1900515790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2135411}}^1$

素因数の和:2135507

約数の個数: 16

約数和(自身を含む): 3459367440

約数和(自身を除く): 1558851650

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2135411, 4270822, 10677055, 21354110, 190051579, 380103158, 950257895, 1900515790]

約数ペア:

[(1, 1900515790), (2, 950257895), (5, 380103158), (10, 190051579), (89, 21354110), (178, 10677055), (445, 4270822), (890, 2135411)]