147521480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 338793840

約数和(自身を除く): 191272360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 193, 194, 197, 386, 388, 394, 485, 772, 776, 788, 965, 970, 985, 1544, 1576, 1930, 1940, 1970, 3860, 3880, 3940, 7720, 7880, 18721, 19109, 37442, 38021, 38218, 74884, 76042, 76436, 93605, 95545, 149768, 152084, 152872, 187210, 190105, 191090, 304168, 374420, 380210, 382180, 748840, 760420, 764360, 1520840, 3688037, 7376074, 14752148, 18440185, 29504296, 36880370, 73760740, 147521480]

約数ペア:

[(1, 147521480), (2, 73760740), (4, 36880370), (5, 29504296), (8, 18440185), (10, 14752148), (20, 7376074), (40, 3688037), (97, 1520840), (193, 764360), (194, 760420), (197, 748840), (386, 382180), (388, 380210), (394, 374420), (485, 304168), (772, 191090), (776, 190105), (788, 187210), (965, 152872), (970, 152084), (985, 149768), (1544, 95545), (1576, 93605), (1930, 76436), (1940, 76042), (1970, 74884), (3860, 38218), (3880, 38021), (3940, 37442), (7720, 19109), (7880, 18721)]