207735780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{494609}}^1$

素因数の和:494628

約数の個数: 48

約数和(自身を含む): 664755840

約数和(自身を除く): 457020060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 494609, 989218, 1483827, 1978436, 2473045, 2967654, 3462263, 4946090, 5935308, 6924526, 7419135, 9892180, 10386789, 13849052, 14838270, 17311315, 20773578, 29676540, 34622630, 41547156, 51933945, 69245260, 103867890, 207735780]

約数ペア:

[(1, 207735780), (2, 103867890), (3, 69245260), (4, 51933945), (5, 41547156), (6, 34622630), (7, 29676540), (10, 20773578), (12, 17311315), (14, 14838270), (15, 13849052), (20, 10386789), (21, 9892180), (28, 7419135), (30, 6924526), (35, 5935308), (42, 4946090), (60, 3462263), (70, 2967654), (84, 2473045), (105, 1978436), (140, 1483827), (210, 989218), (420, 494609)]