68938520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{246209}}^1$

素因数の和:246227

約数の個数: 32

約数和(自身を含む): 177271200

約数和(自身を除く): 108332680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 246209, 492418, 984836, 1231045, 1723463, 1969672, 2462090, 3446926, 4924180, 6893852, 8617315, 9848360, 13787704, 17234630, 34469260, 68938520]

約数ペア:

[(1, 68938520), (2, 34469260), (4, 17234630), (5, 13787704), (7, 9848360), (8, 8617315), (10, 6893852), (14, 4924180), (20, 3446926), (28, 2462090), (35, 1969672), (40, 1723463), (56, 1231045), (70, 984836), (140, 492418), (280, 246209)]