627880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 1542240

約数和(自身を除く): 914360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1427, 2854, 5708, 7135, 11416, 14270, 15697, 28540, 31394, 57080, 62788, 78485, 125576, 156970, 313940, 627880]

約数ペア:

[(1, 627880), (2, 313940), (4, 156970), (5, 125576), (8, 78485), (10, 62788), (11, 57080), (20, 31394), (22, 28540), (40, 15697), (44, 14270), (55, 11416), (88, 7135), (110, 5708), (220, 2854), (440, 1427)]