197756480

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3137}}^1$

素因数の和:3351

約数の個数: 56

約数和(自身を含む): 473448888

約数和(自身を除く): 275692408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 3137, 3152, 3940, 6274, 6304, 7880, 12548, 12608, 15685, 15760, 25096, 31370, 31520, 50192, 62740, 63040, 100384, 125480, 200768, 250960, 501920, 617989, 1003840, 1235978, 2471956, 3089945, 4943912, 6179890, 9887824, 12359780, 19775648, 24719560, 39551296, 49439120, 98878240, 197756480]

約数ペア:

[(1, 197756480), (2, 98878240), (4, 49439120), (5, 39551296), (8, 24719560), (10, 19775648), (16, 12359780), (20, 9887824), (32, 6179890), (40, 4943912), (64, 3089945), (80, 2471956), (160, 1235978), (197, 1003840), (320, 617989), (394, 501920), (788, 250960), (985, 200768), (1576, 125480), (1970, 100384), (3137, 63040), (3152, 62740), (3940, 50192), (6274, 31520), (6304, 31370), (7880, 25096), (12548, 15760), (12608, 15685)]