7890700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4153}}^1$

素因数の和:4186

約数の個数: 36

約数和(自身を含む): 18028360

約数和(自身を除く): 10137660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 4153, 8306, 16612, 20765, 41530, 78907, 83060, 103825, 157814, 207650, 315628, 394535, 415300, 789070, 1578140, 1972675, 3945350, 7890700]

約数ペア:

[(1, 7890700), (2, 3945350), (4, 1972675), (5, 1578140), (10, 789070), (19, 415300), (20, 394535), (25, 315628), (38, 207650), (50, 157814), (76, 103825), (95, 83060), (100, 78907), (190, 41530), (380, 20765), (475, 16612), (950, 8306), (1900, 4153)]