679156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{441011}}^1$

素因数の和:441038

約数の個数: 48

約数和(自身を含む): 1778160384

約数和(自身を除く): 1099003444

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, 441011, 882022, 1764044, 2205055, 3087077, 4410110, 4851121, 6174154, 8820220, 9702242, 12348308, 15435385, 19404484, 24255605, 30870770, 33957847, 48511210, 61741540, 67915694, 97022420, 135831388, 169789235, 339578470, 679156940]

約数ペア:

[(1, 679156940), (2, 339578470), (4, 169789235), (5, 135831388), (7, 97022420), (10, 67915694), (11, 61741540), (14, 48511210), (20, 33957847), (22, 30870770), (28, 24255605), (35, 19404484), (44, 15435385), (55, 12348308), (70, 9702242), (77, 8820220), (110, 6174154), (140, 4851121), (154, 4410110), (220, 3087077), (308, 2205055), (385, 1764044), (770, 882022), (1540, 441011)]