128657200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{45949}}^1$

素因数の和:45974

約数の個数: 60

約数和(自身を含む): 353263600

約数和(自身を除く): 224606400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 45949, 91898, 183796, 229745, 321643, 367592, 459490, 643286, 735184, 918980, 1148725, 1286572, 1608215, 1837960, 2297450, 2573144, 3216430, 3675920, 4594900, 5146288, 6432860, 8041075, 9189800, 12865720, 16082150, 18379600, 25731440, 32164300, 64328600, 128657200]

約数ペア:

[(1, 128657200), (2, 64328600), (4, 32164300), (5, 25731440), (7, 18379600), (8, 16082150), (10, 12865720), (14, 9189800), (16, 8041075), (20, 6432860), (25, 5146288), (28, 4594900), (35, 3675920), (40, 3216430), (50, 2573144), (56, 2297450), (70, 1837960), (80, 1608215), (100, 1286572), (112, 1148725), (140, 918980), (175, 735184), (200, 643286), (280, 459490), (350, 367592), (400, 321643), (560, 229745), (700, 183796), (1400, 91898), (2800, 45949)]