211319570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{274441}}^1$

素因数の和:274466

約数の個数: 32

約数和(自身を含む): 474235776

約数和(自身を除く): 262916206

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 274441, 548882, 1372205, 1921087, 2744410, 3018851, 3842174, 6037702, 9605435, 15094255, 19210870, 21131957, 30188510, 42263914, 105659785, 211319570]

約数ペア:

[(1, 211319570), (2, 105659785), (5, 42263914), (7, 30188510), (10, 21131957), (11, 19210870), (14, 15094255), (22, 9605435), (35, 6037702), (55, 3842174), (70, 3018851), (77, 2744410), (110, 1921087), (154, 1372205), (385, 548882), (770, 274441)]