4137980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2687}}^1$

素因数の和:2714

約数の個数: 48

約数和(自身を含む): 10838016

約数和(自身を除く): 6700036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2687, 5374, 10748, 13435, 18809, 26870, 29557, 37618, 53740, 59114, 75236, 94045, 118228, 147785, 188090, 206899, 295570, 376180, 413798, 591140, 827596, 1034495, 2068990, 4137980]

約数ペア:

[(1, 4137980), (2, 2068990), (4, 1034495), (5, 827596), (7, 591140), (10, 413798), (11, 376180), (14, 295570), (20, 206899), (22, 188090), (28, 147785), (35, 118228), (44, 94045), (55, 75236), (70, 59114), (77, 53740), (110, 37618), (140, 29557), (154, 26870), (220, 18809), (308, 13435), (385, 10748), (770, 5374), (1540, 2687)]