221449580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1006589}}^1$

素因数の和:1006609

約数の個数: 24

約数和(自身を含む): 507321360

約数和(自身を除く): 285871780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1006589, 2013178, 4026356, 5032945, 10065890, 11072479, 20131780, 22144958, 44289916, 55362395, 110724790, 221449580]

約数ペア:

[(1, 221449580), (2, 110724790), (4, 55362395), (5, 44289916), (10, 22144958), (11, 20131780), (20, 11072479), (22, 10065890), (44, 5032945), (55, 4026356), (110, 2013178), (220, 1006589)]