340516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 665280

約数和(自身を除く): 324764

約数列:

[1, 2, 4, 11, 22, 44, 71, 109, 142, 218, 284, 436, 781, 1199, 1562, 2398, 3124, 4796, 7739, 15478, 30956, 85129, 170258, 340516]

約数ペア:

[(1, 340516), (2, 170258), (4, 85129), (11, 30956), (22, 15478), (44, 7739), (71, 4796), (109, 3124), (142, 2398), (218, 1562), (284, 1199), (436, 781)]