7940660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4392

約数の個数: 48

約数和(自身を含む): 20528256

約数和(自身を除く): 12587596

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4363, 8726, 17452, 21815, 30541, 43630, 56719, 61082, 87260, 113438, 122164, 152705, 226876, 283595, 305410, 397033, 567190, 610820, 794066, 1134380, 1588132, 1985165, 3970330, 7940660]

約数ペア:

[(1, 7940660), (2, 3970330), (4, 1985165), (5, 1588132), (7, 1134380), (10, 794066), (13, 610820), (14, 567190), (20, 397033), (26, 305410), (28, 283595), (35, 226876), (52, 152705), (65, 122164), (70, 113438), (91, 87260), (130, 61082), (140, 56719), (182, 43630), (260, 30541), (364, 21815), (455, 17452), (910, 8726), (1820, 4363)]