1777161790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1\times {\mathrm{1979}}^1$

素因数の和:3084

約数の個数: 32

約数和(自身を含む): 3239676000

約数和(自身を除く): 1462514210

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1009, 1979, 2018, 3958, 5045, 9895, 10090, 19790, 89801, 176131, 179602, 352262, 449005, 880655, 898010, 1761310, 1996811, 3993622, 9984055, 19968110, 177716179, 355432358, 888580895, 1777161790]

約数ペア:

[(1, 1777161790), (2, 888580895), (5, 355432358), (10, 177716179), (89, 19968110), (178, 9984055), (445, 3993622), (890, 1996811), (1009, 1761310), (1979, 898010), (2018, 880655), (3958, 449005), (5045, 352262), (9895, 179602), (10090, 176131), (19790, 89801)]