277623220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{283289}}^1$

素因数の和:283312

約数の個数: 36

約数和(自身を含む): 678196260

約数和(自身を除く): 400573040

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 283289, 566578, 1133156, 1416445, 1983023, 2832890, 3966046, 5665780, 7932092, 9915115, 13881161, 19830230, 27762322, 39660460, 55524644, 69405805, 138811610, 277623220]

約数ペア:

[(1, 277623220), (2, 138811610), (4, 69405805), (5, 55524644), (7, 39660460), (10, 27762322), (14, 19830230), (20, 13881161), (28, 9915115), (35, 7932092), (49, 5665780), (70, 3966046), (98, 2832890), (140, 1983023), (196, 1416445), (245, 1133156), (490, 566578), (980, 283289)]