251008060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43427}}^1$

素因数の和:43470

約数の個数: 36

約数和(自身を含む): 559960632

約数和(自身を除く): 308952572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 43427, 86854, 173708, 217135, 434270, 738259, 868540, 1476518, 2953036, 3691295, 7382590, 12550403, 14765180, 25100806, 50201612, 62752015, 125504030, 251008060]

約数ペア:

[(1, 251008060), (2, 125504030), (4, 62752015), (5, 50201612), (10, 25100806), (17, 14765180), (20, 12550403), (34, 7382590), (68, 3691295), (85, 2953036), (170, 1476518), (289, 868540), (340, 738259), (578, 434270), (1156, 217135), (1445, 173708), (2890, 86854), (5780, 43427)]