68731400

素因数分解:

$2^3\times 5^2\times {\mathrm{401}}^1\times {\mathrm{857}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 160385940

約数和(自身を除く): 91654540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 401, 802, 857, 1604, 1714, 2005, 3208, 3428, 4010, 4285, 6856, 8020, 8570, 10025, 16040, 17140, 20050, 21425, 34280, 40100, 42850, 80200, 85700, 171400, 343657, 687314, 1374628, 1718285, 2749256, 3436570, 6873140, 8591425, 13746280, 17182850, 34365700, 68731400]

約数ペア:

[(1, 68731400), (2, 34365700), (4, 17182850), (5, 13746280), (8, 8591425), (10, 6873140), (20, 3436570), (25, 2749256), (40, 1718285), (50, 1374628), (100, 687314), (200, 343657), (401, 171400), (802, 85700), (857, 80200), (1604, 42850), (1714, 40100), (2005, 34280), (3208, 21425), (3428, 20050), (4010, 17140), (4285, 16040), (6856, 10025), (8020, 8570)]