291260530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{20849}}^1$

素因数の和:20994

約数の個数: 32

約数和(自身を含む): 576460800

約数和(自身を除く): 285200270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985, 13970, 20849, 41698, 104245, 208490, 229339, 458678, 1146695, 2293390, 2647823, 5295646, 13239115, 26478230, 29126053, 58252106, 145630265, 291260530]

約数ペア:

[(1, 291260530), (2, 145630265), (5, 58252106), (10, 29126053), (11, 26478230), (22, 13239115), (55, 5295646), (110, 2647823), (127, 2293390), (254, 1146695), (635, 458678), (1270, 229339), (1397, 208490), (2794, 104245), (6985, 41698), (13970, 20849)]