197980480

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4451}}^1$

素因数の和:4607

約数の個数: 56

約数和(自身を含む): 474939360

約数和(自身を除く): 276958880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 2224, 2780, 4448, 4451, 5560, 8896, 8902, 11120, 17804, 22240, 22255, 35608, 44480, 44510, 71216, 89020, 142432, 178040, 284864, 356080, 618689, 712160, 1237378, 1424320, 2474756, 3093445, 4949512, 6186890, 9899024, 12373780, 19798048, 24747560, 39596096, 49495120, 98990240, 197980480]

約数ペア:

[(1, 197980480), (2, 98990240), (4, 49495120), (5, 39596096), (8, 24747560), (10, 19798048), (16, 12373780), (20, 9899024), (32, 6186890), (40, 4949512), (64, 3093445), (80, 2474756), (139, 1424320), (160, 1237378), (278, 712160), (320, 618689), (556, 356080), (695, 284864), (1112, 178040), (1390, 142432), (2224, 89020), (2780, 71216), (4448, 44510), (4451, 44480), (5560, 35608), (8896, 22255), (8902, 22240), (11120, 17804)]