1130780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 2794176

約数和(自身を除く): 1663396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 197, 205, 287, 394, 410, 574, 788, 820, 985, 1148, 1379, 1435, 1970, 2758, 2870, 3940, 5516, 5740, 6895, 8077, 13790, 16154, 27580, 32308, 40385, 56539, 80770, 113078, 161540, 226156, 282695, 565390, 1130780]

約数ペア:

[(1, 1130780), (2, 565390), (4, 282695), (5, 226156), (7, 161540), (10, 113078), (14, 80770), (20, 56539), (28, 40385), (35, 32308), (41, 27580), (70, 16154), (82, 13790), (140, 8077), (164, 6895), (197, 5740), (205, 5516), (287, 3940), (394, 2870), (410, 2758), (574, 1970), (788, 1435), (820, 1379), (985, 1148)]