210005765

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 274665600

約数和(自身を除く): 64659835

約数列:

[1, 5, 19, 43, 95, 101, 215, 505, 509, 817, 1919, 2545, 4085, 4343, 9595, 9671, 21715, 21887, 48355, 51409, 82517, 109435, 257045, 412585, 415853, 976771, 2079265, 2210587, 4883855, 11052935, 42001153, 210005765]

約数ペア:

[(1, 210005765), (5, 42001153), (19, 11052935), (43, 4883855), (95, 2210587), (101, 2079265), (215, 976771), (505, 415853), (509, 412585), (817, 257045), (1919, 109435), (2545, 82517), (4085, 51409), (4343, 48355), (9595, 21887), (9671, 21715)]