161707100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{85109}}^1$

素因数の和:85142

約数の個数: 36

約数和(自身を含む): 369377400

約数和(自身を除く): 207670300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 85109, 170218, 340436, 425545, 851090, 1617071, 1702180, 2127725, 3234142, 4255450, 6468284, 8085355, 8510900, 16170710, 32341420, 40426775, 80853550, 161707100]

約数ペア:

[(1, 161707100), (2, 80853550), (4, 40426775), (5, 32341420), (10, 16170710), (19, 8510900), (20, 8085355), (25, 6468284), (38, 4255450), (50, 3234142), (76, 2127725), (95, 1702180), (100, 1617071), (190, 851090), (380, 425545), (475, 340436), (950, 170218), (1900, 85109)]