977984560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1746401}}^1$

素因数の和:1746421

約数の個数: 40

約数和(自身を含む): 2598646176

約数和(自身を除く): 1620661616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1746401, 3492802, 6985604, 8732005, 12224807, 13971208, 17464010, 24449614, 27942416, 34928020, 48899228, 61124035, 69856040, 97798456, 122248070, 139712080, 195596912, 244496140, 488992280, 977984560]

約数ペア:

[(1, 977984560), (2, 488992280), (4, 244496140), (5, 195596912), (7, 139712080), (8, 122248070), (10, 97798456), (14, 69856040), (16, 61124035), (20, 48899228), (28, 34928020), (35, 27942416), (40, 24449614), (56, 17464010), (70, 13971208), (80, 12224807), (112, 8732005), (140, 6985604), (280, 3492802), (560, 1746401)]