208983780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{387007}}^1$

素因数の和:387025

約数の個数: 48

約数和(自身を含む): 650173440

約数和(自身を除く): 441189660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 387007, 774014, 1161021, 1548028, 1935035, 2322042, 3483063, 3870070, 4644084, 5805105, 6966126, 7740140, 10449189, 11610210, 13932252, 17415315, 20898378, 23220420, 34830630, 41796756, 52245945, 69661260, 104491890, 208983780]

約数ペア:

[(1, 208983780), (2, 104491890), (3, 69661260), (4, 52245945), (5, 41796756), (6, 34830630), (9, 23220420), (10, 20898378), (12, 17415315), (15, 13932252), (18, 11610210), (20, 10449189), (27, 7740140), (30, 6966126), (36, 5805105), (45, 4644084), (54, 3870070), (60, 3483063), (90, 2322042), (108, 1935035), (135, 1548028), (180, 1161021), (270, 774014), (540, 387007)]