90210860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5051}}^1$

素因数の和:5126

約数の個数: 48

約数和(自身を含む): 203696640

約数和(自身を除く): 113485780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 5051, 8930, 10102, 17860, 20204, 25255, 50510, 95969, 101020, 191938, 237397, 383876, 474794, 479845, 949588, 959690, 1186985, 1919380, 2373970, 4510543, 4747940, 9021086, 18042172, 22552715, 45105430, 90210860]

約数ペア:

[(1, 90210860), (2, 45105430), (4, 22552715), (5, 18042172), (10, 9021086), (19, 4747940), (20, 4510543), (38, 2373970), (47, 1919380), (76, 1186985), (94, 959690), (95, 949588), (188, 479845), (190, 474794), (235, 383876), (380, 237397), (470, 191938), (893, 101020), (940, 95969), (1786, 50510), (3572, 25255), (4465, 20204), (5051, 17860), (8930, 10102)]