73819780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{217117}}^1$

素因数の和:217143

約数の個数: 24

約数和(自身を含む): 164141208

約数和(自身を除く): 90321428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 217117, 434234, 868468, 1085585, 2171170, 3690989, 4342340, 7381978, 14763956, 18454945, 36909890, 73819780]

約数ペア:

[(1, 73819780), (2, 36909890), (4, 18454945), (5, 14763956), (10, 7381978), (17, 4342340), (20, 3690989), (34, 2171170), (68, 1085585), (85, 868468), (170, 434234), (340, 217117)]