131598280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{299087}}^1$

素因数の和:299109

約数の個数: 32

約数和(自身を含む): 323015040

約数和(自身を除く): 191416760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 299087, 598174, 1196348, 1495435, 2392696, 2990870, 3289957, 5981740, 6579914, 11963480, 13159828, 16449785, 26319656, 32899570, 65799140, 131598280]

約数ペア:

[(1, 131598280), (2, 65799140), (4, 32899570), (5, 26319656), (8, 16449785), (10, 13159828), (11, 11963480), (20, 6579914), (22, 5981740), (40, 3289957), (44, 2990870), (55, 2392696), (88, 1495435), (110, 1196348), (220, 598174), (440, 299087)]