8354780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 11966500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 719, 830, 1162, 1438, 1660, 2324, 2876, 2905, 3595, 5033, 5810, 7190, 10066, 11620, 14380, 20132, 25165, 50330, 59677, 100660, 119354, 238708, 298385, 417739, 596770, 835478, 1193540, 1670956, 2088695, 4177390, 8354780]

約数ペア:

[(1, 8354780), (2, 4177390), (4, 2088695), (5, 1670956), (7, 1193540), (10, 835478), (14, 596770), (20, 417739), (28, 298385), (35, 238708), (70, 119354), (83, 100660), (140, 59677), (166, 50330), (332, 25165), (415, 20132), (581, 14380), (719, 11620), (830, 10066), (1162, 7190), (1438, 5810), (1660, 5033), (2324, 3595), (2876, 2905)]