1284163090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2620741}}^1$

素因数の和:2620762

約数の個数: 24

約数和(自身を含む): 2688881292

約数和(自身を除く): 1404718202

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2620741, 5241482, 13103705, 18345187, 26207410, 36690374, 91725935, 128416309, 183451870, 256832618, 642081545, 1284163090]

約数ペア:

[(1, 1284163090), (2, 642081545), (5, 256832618), (7, 183451870), (10, 128416309), (14, 91725935), (35, 36690374), (49, 26207410), (70, 18345187), (98, 13103705), (245, 5241482), (490, 2620741)]