808956890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{58073}}^1$

素因数の和:58286

約数の個数: 32

約数和(自身を含む): 1672531200

約数和(自身を除く): 863574310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 58073, 116146, 290365, 406511, 580730, 813022, 2032555, 4065110, 11556527, 23113054, 57782635, 80895689, 115565270, 161791378, 404478445, 808956890]

約数ペア:

[(1, 808956890), (2, 404478445), (5, 161791378), (7, 115565270), (10, 80895689), (14, 57782635), (35, 23113054), (70, 11556527), (199, 4065110), (398, 2032555), (995, 813022), (1393, 580730), (1990, 406511), (2786, 290365), (6965, 116146), (13930, 58073)]