68876620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{1559}}^1$

素因数の和:1662

約数の個数: 36

約数和(自身を含む): 147878640

約数和(自身を除く): 79002020

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1559, 2209, 3118, 4418, 6236, 7795, 8836, 11045, 15590, 22090, 31180, 44180, 73273, 146546, 293092, 366365, 732730, 1465460, 3443831, 6887662, 13775324, 17219155, 34438310, 68876620]

約数ペア:

[(1, 68876620), (2, 34438310), (4, 17219155), (5, 13775324), (10, 6887662), (20, 3443831), (47, 1465460), (94, 732730), (188, 366365), (235, 293092), (470, 146546), (940, 73273), (1559, 44180), (2209, 31180), (3118, 22090), (4418, 15590), (6236, 11045), (7795, 8836)]