2491090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 5397120

約数和(自身を除く): 2906030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 1873, 3746, 9365, 13111, 18730, 26222, 35587, 65555, 71174, 131110, 177935, 249109, 355870, 498218, 1245545, 2491090]

約数ペア:

[(1, 2491090), (2, 1245545), (5, 498218), (7, 355870), (10, 249109), (14, 177935), (19, 131110), (35, 71174), (38, 65555), (70, 35587), (95, 26222), (133, 18730), (190, 13111), (266, 9365), (665, 3746), (1330, 1873)]