891262960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{227363}}^1$

素因数の和:227390

約数の個数: 60

約数和(自身を含む): 2410513128

約数和(自身を除く): 1519250168

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, 227363, 454726, 909452, 1136815, 1591541, 1818904, 2273630, 3183082, 3637808, 4547260, 6366164, 7957705, 9094520, 11140787, 12732328, 15915410, 18189040, 22281574, 25464656, 31830820, 44563148, 55703935, 63661640, 89126296, 111407870, 127323280, 178252592, 222815740, 445631480, 891262960]

約数ペア:

[(1, 891262960), (2, 445631480), (4, 222815740), (5, 178252592), (7, 127323280), (8, 111407870), (10, 89126296), (14, 63661640), (16, 55703935), (20, 44563148), (28, 31830820), (35, 25464656), (40, 22281574), (49, 18189040), (56, 15915410), (70, 12732328), (80, 11140787), (98, 9094520), (112, 7957705), (140, 6366164), (196, 4547260), (245, 3637808), (280, 3183082), (392, 2273630), (490, 1818904), (560, 1591541), (784, 1136815), (980, 909452), (1960, 454726), (3920, 227363)]