1668590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 3792096

約数和(自身を除く): 2123506

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 197, 242, 385, 394, 605, 770, 847, 985, 1210, 1379, 1694, 1970, 2167, 2758, 4235, 4334, 6895, 8470, 10835, 13790, 15169, 21670, 23837, 30338, 47674, 75845, 119185, 151690, 166859, 238370, 333718, 834295, 1668590]

約数ペア:

[(1, 1668590), (2, 834295), (5, 333718), (7, 238370), (10, 166859), (11, 151690), (14, 119185), (22, 75845), (35, 47674), (55, 30338), (70, 23837), (77, 21670), (110, 15169), (121, 13790), (154, 10835), (197, 8470), (242, 6895), (385, 4334), (394, 4235), (605, 2758), (770, 2167), (847, 1970), (985, 1694), (1210, 1379)]