70004420

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3469}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 147197400

約数和(自身を除く): 77192980

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3469, 4036, 5045, 6938, 10090, 13876, 17345, 20180, 34690, 69380, 3500221, 7000442, 14000884, 17501105, 35002210, 70004420]

約数ペア:

[(1, 70004420), (2, 35002210), (4, 17501105), (5, 14000884), (10, 7000442), (20, 3500221), (1009, 69380), (2018, 34690), (3469, 20180), (4036, 17345), (5045, 13876), (6938, 10090)]