2019948560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{515293}}^1$

素因数の和:515320

約数の個数: 60

約数和(自身を含む): 5463146988

約数和(自身を除く): 3443198428

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 515293, 1030586, 2061172, 2576465, 3607051, 4122344, 5152930, 7214102, 8244688, 10305860, 14428204, 18035255, 20611720, 25249357, 28856408, 36070510, 41223440, 50498714, 57712816, 72141020, 100997428, 126246785, 144282040, 201994856, 252493570, 288564080, 403989712, 504987140, 1009974280, 2019948560]

約数ペア:

[(1, 2019948560), (2, 1009974280), (4, 504987140), (5, 403989712), (7, 288564080), (8, 252493570), (10, 201994856), (14, 144282040), (16, 126246785), (20, 100997428), (28, 72141020), (35, 57712816), (40, 50498714), (49, 41223440), (56, 36070510), (70, 28856408), (80, 25249357), (98, 20611720), (112, 18035255), (140, 14428204), (196, 10305860), (245, 8244688), (280, 7214102), (392, 5152930), (490, 4122344), (560, 3607051), (784, 2576465), (980, 2061172), (1960, 1030586), (3920, 515293)]