28472500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1627}}^1$

素因数の和:1658

約数の個数: 60

約数和(自身を含む): 71202208

約数和(自身を除く): 42729708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1627, 1750, 2500, 3254, 3500, 4375, 6508, 8135, 8750, 11389, 16270, 17500, 22778, 32540, 40675, 45556, 56945, 81350, 113890, 162700, 203375, 227780, 284725, 406750, 569450, 813500, 1016875, 1138900, 1423625, 2033750, 2847250, 4067500, 5694500, 7118125, 14236250, 28472500]

約数ペア:

[(1, 28472500), (2, 14236250), (4, 7118125), (5, 5694500), (7, 4067500), (10, 2847250), (14, 2033750), (20, 1423625), (25, 1138900), (28, 1016875), (35, 813500), (50, 569450), (70, 406750), (100, 284725), (125, 227780), (140, 203375), (175, 162700), (250, 113890), (350, 81350), (500, 56945), (625, 45556), (700, 40675), (875, 32540), (1250, 22778), (1627, 17500), (1750, 16270), (2500, 11389), (3254, 8750), (3500, 8135), (4375, 6508)]