287320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 706320

約数和(自身を除く): 419000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 653, 1306, 2612, 3265, 5224, 6530, 7183, 13060, 14366, 26120, 28732, 35915, 57464, 71830, 143660, 287320]

約数ペア:

[(1, 287320), (2, 143660), (4, 71830), (5, 57464), (8, 35915), (10, 28732), (11, 26120), (20, 14366), (22, 13060), (40, 7183), (44, 6530), (55, 5224), (88, 3265), (110, 2612), (220, 1306), (440, 653)]