851290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 1710720

約数和(自身を除く): 859430

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 109, 110, 142, 218, 355, 545, 710, 781, 1090, 1199, 1562, 2398, 3905, 5995, 7739, 7810, 11990, 15478, 38695, 77390, 85129, 170258, 425645, 851290]

約数ペア:

[(1, 851290), (2, 425645), (5, 170258), (10, 85129), (11, 77390), (22, 38695), (55, 15478), (71, 11990), (109, 7810), (110, 7739), (142, 5995), (218, 3905), (355, 2398), (545, 1562), (710, 1199), (781, 1090)]