38989000

素因数分解:

$2^3\times 5^3\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 92252160

約数和(自身を除く): 53263160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 127, 200, 250, 254, 307, 500, 508, 614, 635, 1000, 1016, 1228, 1270, 1535, 2456, 2540, 3070, 3175, 5080, 6140, 6350, 7675, 12280, 12700, 15350, 15875, 25400, 30700, 31750, 38375, 38989, 61400, 63500, 76750, 77978, 127000, 153500, 155956, 194945, 307000, 311912, 389890, 779780, 974725, 1559560, 1949450, 3898900, 4873625, 7797800, 9747250, 19494500, 38989000]

約数ペア:

[(1, 38989000), (2, 19494500), (4, 9747250), (5, 7797800), (8, 4873625), (10, 3898900), (20, 1949450), (25, 1559560), (40, 974725), (50, 779780), (100, 389890), (125, 311912), (127, 307000), (200, 194945), (250, 155956), (254, 153500), (307, 127000), (500, 77978), (508, 76750), (614, 63500), (635, 61400), (1000, 38989), (1016, 38375), (1228, 31750), (1270, 30700), (1535, 25400), (2456, 15875), (2540, 15350), (3070, 12700), (3175, 12280), (5080, 7675), (6140, 6350)]