90305275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 123340320

約数和(自身を除く): 33035045

約数列:

[1, 5, 17, 25, 29, 85, 145, 289, 425, 431, 493, 725, 1445, 2155, 2465, 7225, 7327, 8381, 10775, 12325, 12499, 36635, 41905, 62495, 124559, 183175, 209525, 212483, 312475, 622795, 1062415, 3113975, 3612211, 5312075, 18061055, 90305275]

約数ペア:

[(1, 90305275), (5, 18061055), (17, 5312075), (25, 3612211), (29, 3113975), (85, 1062415), (145, 622795), (289, 312475), (425, 212483), (431, 209525), (493, 183175), (725, 124559), (1445, 62495), (2155, 41905), (2465, 36635), (7225, 12499), (7327, 12325), (8381, 10775)]