285340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 654192

約数和(自身を除く): 368852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1297, 2594, 5188, 6485, 12970, 14267, 25940, 28534, 57068, 71335, 142670, 285340]

約数ペア:

[(1, 285340), (2, 142670), (4, 71335), (5, 57068), (10, 28534), (11, 25940), (20, 14267), (22, 12970), (44, 6485), (55, 5188), (110, 2594), (220, 1297)]