217421950

素因数分解:

$2^1\times 5^2\times {\mathrm{1021}}^1\times {\mathrm{4259}}^1$

素因数の和:5292

約数の個数: 24

約数和(自身を含む): 404895960

約数和(自身を除く): 187474010

約数列:

[1, 2, 5, 10, 25, 50, 1021, 2042, 4259, 5105, 8518, 10210, 21295, 25525, 42590, 51050, 106475, 212950, 4348439, 8696878, 21742195, 43484390, 108710975, 217421950]

約数ペア:

[(1, 217421950), (2, 108710975), (5, 43484390), (10, 21742195), (25, 8696878), (50, 4348439), (1021, 212950), (2042, 106475), (4259, 51050), (5105, 42590), (8518, 25525), (10210, 21295)]