258280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 635040

約数和(自身を除く): 376760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 587, 1174, 2348, 2935, 4696, 5870, 6457, 11740, 12914, 23480, 25828, 32285, 51656, 64570, 129140, 258280]

約数ペア:

[(1, 258280), (2, 129140), (4, 64570), (5, 51656), (8, 32285), (10, 25828), (11, 23480), (20, 12914), (22, 11740), (40, 6457), (44, 5870), (55, 4696), (88, 2935), (110, 2348), (220, 1174), (440, 587)]