123691.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25889}}^1$

素因数の和:25915

約数の個数: 24

約数和(自身を含む): 19572840

約数和(自身を除く): 10770580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 25889, 51778, 103556, 129445, 258890, 440113, 517780, 880226, 1760452, 2200565, 4401130, 8802260]

約数ペア:

[(1, 8802260), (2, 4401130), (4, 2200565), (5, 1760452), (10, 880226), (17, 517780), (20, 440113), (34, 258890), (68, 129445), (85, 103556), (170, 51778), (340, 25889)]