51308740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19289}}^1$

素因数の和:19324

約数の個数: 48

約数和(自身を含む): 129628800

約数和(自身を除く): 78320060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 19289, 38578, 77156, 96445, 135023, 192890, 270046, 366491, 385780, 540092, 675115, 732982, 1350230, 1465964, 1832455, 2565437, 2700460, 3664910, 5130874, 7329820, 10261748, 12827185, 25654370, 51308740]

約数ペア:

[(1, 51308740), (2, 25654370), (4, 12827185), (5, 10261748), (7, 7329820), (10, 5130874), (14, 3664910), (19, 2700460), (20, 2565437), (28, 1832455), (35, 1465964), (38, 1350230), (70, 732982), (76, 675115), (95, 540092), (133, 385780), (140, 366491), (190, 270046), (266, 192890), (380, 135023), (532, 96445), (665, 77156), (1330, 38578), (2660, 19289)]