165780020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1184143}}^1$

素因数の和:1184159

約数の個数: 24

約数和(自身を含む): 397872384

約数和(自身を除く): 232092364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1184143, 2368286, 4736572, 5920715, 8289001, 11841430, 16578002, 23682860, 33156004, 41445005, 82890010, 165780020]

約数ペア:

[(1, 165780020), (2, 82890010), (4, 41445005), (5, 33156004), (7, 23682860), (10, 16578002), (14, 11841430), (20, 8289001), (28, 5920715), (35, 4736572), (70, 2368286), (140, 1184143)]