171433480

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{19219}}^1$

素因数の和:19453

約数の個数: 32

約数和(自身を含む): 387475200

約数和(自身を除く): 216041720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 19219, 38438, 76876, 96095, 153752, 192190, 384380, 768760, 4285837, 8571674, 17143348, 21429185, 34286696, 42858370, 85716740, 171433480]

約数ペア:

[(1, 171433480), (2, 85716740), (4, 42858370), (5, 34286696), (8, 21429185), (10, 17143348), (20, 8571674), (40, 4285837), (223, 768760), (446, 384380), (892, 192190), (1115, 153752), (1784, 96095), (2230, 76876), (4460, 38438), (8920, 19219)]