201914840

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{17837}}^1$

素因数の和:18131

約数の個数: 32

約数和(自身を含む): 455939280

約数和(自身を除く): 254024440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 17837, 35674, 71348, 89185, 142696, 178370, 356740, 713480, 5047871, 10095742, 20191484, 25239355, 40382968, 50478710, 100957420, 201914840]

約数ペア:

[(1, 201914840), (2, 100957420), (4, 50478710), (5, 40382968), (8, 25239355), (10, 20191484), (20, 10095742), (40, 5047871), (283, 713480), (566, 356740), (1132, 178370), (1415, 142696), (2264, 89185), (2830, 71348), (5660, 35674), (11320, 17837)]