198752020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{231107}}^1$

素因数の和:231159

約数の個数: 24

約数和(自身を含む): 427087584

約数和(自身を除く): 228335564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 231107, 462214, 924428, 1155535, 2311070, 4622140, 9937601, 19875202, 39750404, 49688005, 99376010, 198752020]

約数ペア:

[(1, 198752020), (2, 99376010), (4, 49688005), (5, 39750404), (10, 19875202), (20, 9937601), (43, 4622140), (86, 2311070), (172, 1155535), (215, 924428), (430, 462214), (860, 231107)]