42187180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 101618496

約数和(自身を除く): 59431316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 541, 557, 1082, 1114, 2164, 2228, 2705, 2785, 3787, 3899, 5410, 5570, 7574, 7798, 10820, 11140, 15148, 15596, 18935, 19495, 37870, 38990, 75740, 77980, 301337, 602674, 1205348, 1506685, 2109359, 3013370, 4218718, 6026740, 8437436, 10546795, 21093590, 42187180]

約数ペア:

[(1, 42187180), (2, 21093590), (4, 10546795), (5, 8437436), (7, 6026740), (10, 4218718), (14, 3013370), (20, 2109359), (28, 1506685), (35, 1205348), (70, 602674), (140, 301337), (541, 77980), (557, 75740), (1082, 38990), (1114, 37870), (2164, 19495), (2228, 18935), (2705, 15596), (2785, 15148), (3787, 11140), (3899, 10820), (5410, 7798), (5570, 7574)]