388515520

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6163}}^1$

素因数の和:6377

約数の個数: 56

約数和(自身を含む): 929999664

約数和(自身を除く): 541484144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 3152, 3940, 6163, 6304, 7880, 12326, 12608, 15760, 24652, 30815, 31520, 49304, 61630, 63040, 98608, 123260, 197216, 246520, 394432, 493040, 986080, 1214111, 1972160, 2428222, 4856444, 6070555, 9712888, 12141110, 19425776, 24282220, 38851552, 48564440, 77703104, 97128880, 194257760, 388515520]

約数ペア:

[(1, 388515520), (2, 194257760), (4, 97128880), (5, 77703104), (8, 48564440), (10, 38851552), (16, 24282220), (20, 19425776), (32, 12141110), (40, 9712888), (64, 6070555), (80, 4856444), (160, 2428222), (197, 1972160), (320, 1214111), (394, 986080), (788, 493040), (985, 394432), (1576, 246520), (1970, 197216), (3152, 123260), (3940, 98608), (6163, 63040), (6304, 61630), (7880, 49304), (12326, 31520), (12608, 30815), (15760, 24652)]