649011020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4635793}}^1$

素因数の和:4635809

約数の個数: 24

約数和(自身を含む): 1557626784

約数和(自身を除く): 908615764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4635793, 9271586, 18543172, 23178965, 32450551, 46357930, 64901102, 92715860, 129802204, 162252755, 324505510, 649011020]

約数ペア:

[(1, 649011020), (2, 324505510), (4, 162252755), (5, 129802204), (7, 92715860), (10, 64901102), (14, 46357930), (20, 32450551), (28, 23178965), (35, 18543172), (70, 9271586), (140, 4635793)]