338776960

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2687}}^1$

素因数の和:2903

約数の個数: 64

約数和(自身を含む): 814302720

約数和(自身を除く): 475525760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 985, 1576, 1970, 2687, 3152, 3940, 5374, 6304, 7880, 10748, 12608, 13435, 15760, 21496, 25216, 26870, 31520, 42992, 53740, 63040, 85984, 107480, 126080, 171968, 214960, 343936, 429920, 529339, 859840, 1058678, 1719680, 2117356, 2646695, 4234712, 5293390, 8469424, 10586780, 16938848, 21173560, 33877696, 42347120, 67755392, 84694240, 169388480, 338776960]

約数ペア:

[(1, 338776960), (2, 169388480), (4, 84694240), (5, 67755392), (8, 42347120), (10, 33877696), (16, 21173560), (20, 16938848), (32, 10586780), (40, 8469424), (64, 5293390), (80, 4234712), (128, 2646695), (160, 2117356), (197, 1719680), (320, 1058678), (394, 859840), (640, 529339), (788, 429920), (985, 343936), (1576, 214960), (1970, 171968), (2687, 126080), (3152, 107480), (3940, 85984), (5374, 63040), (6304, 53740), (7880, 42992), (10748, 31520), (12608, 26870), (13435, 25216), (15760, 21496)]