120121705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 167961600

約数和(自身を除く): 47839895

約数列:

[1, 5, 11, 19, 55, 71, 95, 209, 355, 781, 1045, 1349, 1619, 3905, 6745, 8095, 14839, 17809, 30761, 74195, 89045, 114949, 153805, 338371, 574745, 1264439, 1691855, 2184031, 6322195, 10920155, 24024341, 120121705]

約数ペア:

[(1, 120121705), (5, 24024341), (11, 10920155), (19, 6322195), (55, 2184031), (71, 1691855), (95, 1264439), (209, 574745), (355, 338371), (781, 153805), (1045, 114949), (1349, 89045), (1619, 74195), (3905, 30761), (6745, 17809), (8095, 14839)]