2646490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 6057504

約数和(自身を除く): 3411014

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 491, 539, 770, 982, 1078, 2455, 2695, 3437, 4910, 5390, 5401, 6874, 10802, 17185, 24059, 27005, 34370, 37807, 48118, 54010, 75614, 120295, 189035, 240590, 264649, 378070, 529298, 1323245, 2646490]

約数ペア:

[(1, 2646490), (2, 1323245), (5, 529298), (7, 378070), (10, 264649), (11, 240590), (14, 189035), (22, 120295), (35, 75614), (49, 54010), (55, 48118), (70, 37807), (77, 34370), (98, 27005), (110, 24059), (154, 17185), (245, 10802), (385, 6874), (490, 5401), (491, 5390), (539, 4910), (770, 3437), (982, 2695), (1078, 2455)]