68915630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20947}}^1$

素因数の和:21008

約数の個数: 32

約数和(自身を含む): 144792576

約数和(自身を除く): 75876946

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 20947, 41894, 104735, 146629, 209470, 293258, 733145, 984509, 1466290, 1969018, 4922545, 6891563, 9845090, 13783126, 34457815, 68915630]

約数ペア:

[(1, 68915630), (2, 34457815), (5, 13783126), (7, 9845090), (10, 6891563), (14, 4922545), (35, 1969018), (47, 1466290), (70, 984509), (94, 733145), (235, 293258), (329, 209470), (470, 146629), (658, 104735), (1645, 41894), (3290, 20947)]