388514260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67217}}^1$

素因数の和:67260

約数の個数: 36

約数和(自身を含む): 866708892

約数和(自身を除く): 478194632

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 67217, 134434, 268868, 336085, 672170, 1142689, 1344340, 2285378, 4570756, 5713445, 11426890, 19425713, 22853780, 38851426, 77702852, 97128565, 194257130, 388514260]

約数ペア:

[(1, 388514260), (2, 194257130), (4, 97128565), (5, 77702852), (10, 38851426), (17, 22853780), (20, 19425713), (34, 11426890), (68, 5713445), (85, 4570756), (170, 2285378), (289, 1344340), (340, 1142689), (578, 672170), (1156, 336085), (1445, 268868), (2890, 134434), (5780, 67217)]