7897260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18803}}^1$

素因数の和:18822

約数の個数: 48

約数和(自身を含む): 25272576

約数和(自身を除く): 17375316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 18803, 37606, 56409, 75212, 94015, 112818, 131621, 188030, 225636, 263242, 282045, 376060, 394863, 526484, 564090, 658105, 789726, 1128180, 1316210, 1579452, 1974315, 2632420, 3948630, 7897260]

約数ペア:

[(1, 7897260), (2, 3948630), (3, 2632420), (4, 1974315), (5, 1579452), (6, 1316210), (7, 1128180), (10, 789726), (12, 658105), (14, 564090), (15, 526484), (20, 394863), (21, 376060), (28, 282045), (30, 263242), (35, 225636), (42, 188030), (60, 131621), (70, 112818), (84, 94015), (105, 75212), (140, 56409), (210, 37606), (420, 18803)]