1026888940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{666811}}^1$

素因数の和:666838

約数の個数: 48

約数和(自身を含む): 2688585984

約数和(自身を除く): 1661697044

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, 666811, 1333622, 2667244, 3334055, 4667677, 6668110, 7334921, 9335354, 13336220, 14669842, 18670708, 23338385, 29339684, 36674605, 46676770, 51344447, 73349210, 93353540, 102688894, 146698420, 205377788, 256722235, 513444470, 1026888940]

約数ペア:

[(1, 1026888940), (2, 513444470), (4, 256722235), (5, 205377788), (7, 146698420), (10, 102688894), (11, 93353540), (14, 73349210), (20, 51344447), (22, 46676770), (28, 36674605), (35, 29339684), (44, 23338385), (55, 18670708), (70, 14669842), (77, 13336220), (110, 9335354), (140, 7334921), (154, 6668110), (220, 4667677), (308, 3334055), (385, 2667244), (770, 1333622), (1540, 666811)]