989873640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{392807}}^1$

素因数の和:392831

約数の個数: 96

約数和(自身を含む): 3676682880

約数和(自身を除く): 2686809240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 392807, 785614, 1178421, 1571228, 1964035, 2356842, 2749649, 3142456, 3535263, 3928070, 4713684, 5499298, 5892105, 7070526, 7856140, 8248947, 9427368, 10998596, 11784210, 13748245, 14141052, 15712280, 16497894, 17676315, 21997192, 23568420, 24746841, 27496490, 28282104, 32995788, 35352630, 41244735, 47136840, 49493682, 54992980, 65991576, 70705260, 82489470, 98987364, 109985960, 123734205, 141410520, 164978940, 197974728, 247468410, 329957880, 494936820, 989873640]

約数ペア:

[(1, 989873640), (2, 494936820), (3, 329957880), (4, 247468410), (5, 197974728), (6, 164978940), (7, 141410520), (8, 123734205), (9, 109985960), (10, 98987364), (12, 82489470), (14, 70705260), (15, 65991576), (18, 54992980), (20, 49493682), (21, 47136840), (24, 41244735), (28, 35352630), (30, 32995788), (35, 28282104), (36, 27496490), (40, 24746841), (42, 23568420), (45, 21997192), (56, 17676315), (60, 16497894), (63, 15712280), (70, 14141052), (72, 13748245), (84, 11784210), (90, 10998596), (105, 9427368), (120, 8248947), (126, 7856140), (140, 7070526), (168, 5892105), (180, 5499298), (210, 4713684), (252, 3928070), (280, 3535263), (315, 3142456), (360, 2749649), (420, 2356842), (504, 1964035), (630, 1571228), (840, 1178421), (1260, 785614), (2520, 392807)]