865447580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{15383}}^1$

素因数の和:15518

約数の個数: 48

約数和(自身を含む): 1899616320

約数和(自身を除く): 1034168740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 485, 580, 970, 1940, 2813, 5626, 11252, 14065, 15383, 28130, 30766, 56260, 61532, 76915, 153830, 307660, 446107, 892214, 1492151, 1784428, 2230535, 2984302, 4461070, 5968604, 7460755, 8922140, 14921510, 29843020, 43272379, 86544758, 173089516, 216361895, 432723790, 865447580]

約数ペア:

[(1, 865447580), (2, 432723790), (4, 216361895), (5, 173089516), (10, 86544758), (20, 43272379), (29, 29843020), (58, 14921510), (97, 8922140), (116, 7460755), (145, 5968604), (194, 4461070), (290, 2984302), (388, 2230535), (485, 1784428), (580, 1492151), (970, 892214), (1940, 446107), (2813, 307660), (5626, 153830), (11252, 76915), (14065, 61532), (15383, 56260), (28130, 30766)]