388305440

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{10883}}^1$

素因数の和:11121

約数の個数: 48

約数和(自身を含む): 921570048

約数和(自身を除く): 533264608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 7136, 8920, 10883, 17840, 21766, 35680, 43532, 54415, 87064, 108830, 174128, 217660, 348256, 435320, 870640, 1741280, 2426909, 4853818, 9707636, 12134545, 19415272, 24269090, 38830544, 48538180, 77661088, 97076360, 194152720, 388305440]

約数ペア:

[(1, 388305440), (2, 194152720), (4, 97076360), (5, 77661088), (8, 48538180), (10, 38830544), (16, 24269090), (20, 19415272), (32, 12134545), (40, 9707636), (80, 4853818), (160, 2426909), (223, 1741280), (446, 870640), (892, 435320), (1115, 348256), (1784, 217660), (2230, 174128), (3568, 108830), (4460, 87064), (7136, 54415), (8920, 43532), (10883, 35680), (17840, 21766)]