216026360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{490969}}^1$

素因数の和:490991

約数の個数: 32

約数和(自身を含む): 530247600

約数和(自身を除く): 314221240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 490969, 981938, 1963876, 2454845, 3927752, 4909690, 5400659, 9819380, 10801318, 19638760, 21602636, 27003295, 43205272, 54006590, 108013180, 216026360]

約数ペア:

[(1, 216026360), (2, 108013180), (4, 54006590), (5, 43205272), (8, 27003295), (10, 21602636), (11, 19638760), (20, 10801318), (22, 9819380), (40, 5400659), (44, 4909690), (55, 3927752), (88, 2454845), (110, 1963876), (220, 981938), (440, 490969)]