90860870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 168835968

約数和(自身を除く): 77975098

約数列:

[1, 2, 5, 10, 47, 94, 97, 194, 235, 470, 485, 970, 1993, 3986, 4559, 9118, 9965, 19930, 22795, 45590, 93671, 187342, 193321, 386642, 468355, 936710, 966605, 1933210, 9086087, 18172174, 45430435, 90860870]

約数ペア:

[(1, 90860870), (2, 45430435), (5, 18172174), (10, 9086087), (47, 1933210), (94, 966605), (97, 936710), (194, 468355), (235, 386642), (470, 193321), (485, 187342), (970, 93671), (1993, 45590), (3986, 22795), (4559, 19930), (9118, 9965)]