49447000

素因数分解:

$2^3\times 5^3\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 116756640

約数和(自身を除く): 67309640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 197, 200, 250, 251, 394, 500, 502, 788, 985, 1000, 1004, 1255, 1576, 1970, 2008, 2510, 3940, 4925, 5020, 6275, 7880, 9850, 10040, 12550, 19700, 24625, 25100, 31375, 39400, 49250, 49447, 50200, 62750, 98500, 98894, 125500, 197000, 197788, 247235, 251000, 395576, 494470, 988940, 1236175, 1977880, 2472350, 4944700, 6180875, 9889400, 12361750, 24723500, 49447000]

約数ペア:

[(1, 49447000), (2, 24723500), (4, 12361750), (5, 9889400), (8, 6180875), (10, 4944700), (20, 2472350), (25, 1977880), (40, 1236175), (50, 988940), (100, 494470), (125, 395576), (197, 251000), (200, 247235), (250, 197788), (251, 197000), (394, 125500), (500, 98894), (502, 98500), (788, 62750), (985, 50200), (1000, 49447), (1004, 49250), (1255, 39400), (1576, 31375), (1970, 25100), (2008, 24625), (2510, 19700), (3940, 12550), (4925, 10040), (5020, 9850), (6275, 7880)]