204088880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{134269}}^1$

素因数の和:134301

約数の個数: 40

約数和(自身を含む): 499484400

約数和(自身を除く): 295395520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 134269, 268538, 537076, 671345, 1074152, 1342690, 2148304, 2551111, 2685380, 5102222, 5370760, 10204444, 10741520, 12755555, 20408888, 25511110, 40817776, 51022220, 102044440, 204088880]

約数ペア:

[(1, 204088880), (2, 102044440), (4, 51022220), (5, 40817776), (8, 25511110), (10, 20408888), (16, 12755555), (19, 10741520), (20, 10204444), (38, 5370760), (40, 5102222), (76, 2685380), (80, 2551111), (95, 2148304), (152, 1342690), (190, 1074152), (304, 671345), (380, 537076), (760, 268538), (1520, 134269)]