2878600

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 6891300

約数和(自身を除く): 4012700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 389, 740, 778, 925, 1480, 1556, 1850, 1945, 3112, 3700, 3890, 7400, 7780, 9725, 14393, 15560, 19450, 28786, 38900, 57572, 71965, 77800, 115144, 143930, 287860, 359825, 575720, 719650, 1439300, 2878600]

約数ペア:

[(1, 2878600), (2, 1439300), (4, 719650), (5, 575720), (8, 359825), (10, 287860), (20, 143930), (25, 115144), (37, 77800), (40, 71965), (50, 57572), (74, 38900), (100, 28786), (148, 19450), (185, 15560), (200, 14393), (296, 9725), (370, 7780), (389, 7400), (740, 3890), (778, 3700), (925, 3112), (1480, 1945), (1556, 1850)]