889129120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{505187}}^1$

素因数の和:505213

約数の個数: 48

約数和(自身を含む): 2291532768

約数和(自身を除く): 1402403648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 505187, 1010374, 2020748, 2525935, 4041496, 5051870, 5557057, 8082992, 10103740, 11114114, 16165984, 20207480, 22228228, 27785285, 40414960, 44456456, 55570570, 80829920, 88912912, 111141140, 177825824, 222282280, 444564560, 889129120]

約数ペア:

[(1, 889129120), (2, 444564560), (4, 222282280), (5, 177825824), (8, 111141140), (10, 88912912), (11, 80829920), (16, 55570570), (20, 44456456), (22, 40414960), (32, 27785285), (40, 22228228), (44, 20207480), (55, 16165984), (80, 11114114), (88, 10103740), (110, 8082992), (160, 5557057), (176, 5051870), (220, 4041496), (352, 2525935), (440, 2020748), (880, 1010374), (1760, 505187)]