2157650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3923}}^1$

素因数の和:3946

約数の個数: 24

約数和(自身を含む): 4379184

約数和(自身を除く): 2221534

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 3923, 7846, 19615, 39230, 43153, 86306, 98075, 196150, 215765, 431530, 1078825, 2157650]

約数ペア:

[(1, 2157650), (2, 1078825), (5, 431530), (10, 215765), (11, 196150), (22, 98075), (25, 86306), (50, 43153), (55, 39230), (110, 19615), (275, 7846), (550, 3923)]