30308740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19681}}^1$

素因数の和:19708

約数の個数: 48

約数和(自身を含む): 79357824

約数和(自身を除く): 49049084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19681, 39362, 78724, 98405, 137767, 196810, 216491, 275534, 393620, 432982, 551068, 688835, 865964, 1082455, 1377670, 1515437, 2164910, 2755340, 3030874, 4329820, 6061748, 7577185, 15154370, 30308740]

約数ペア:

[(1, 30308740), (2, 15154370), (4, 7577185), (5, 6061748), (7, 4329820), (10, 3030874), (11, 2755340), (14, 2164910), (20, 1515437), (22, 1377670), (28, 1082455), (35, 865964), (44, 688835), (55, 551068), (70, 432982), (77, 393620), (110, 275534), (140, 216491), (154, 196810), (220, 137767), (308, 98405), (385, 78724), (770, 39362), (1540, 19681)]