190017080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431857}}^1$

素因数の和:431879

約数の個数: 32

約数和(自身を含む): 466406640

約数和(自身を除く): 276389560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 431857, 863714, 1727428, 2159285, 3454856, 4318570, 4750427, 8637140, 9500854, 17274280, 19001708, 23752135, 38003416, 47504270, 95008540, 190017080]

約数ペア:

[(1, 190017080), (2, 95008540), (4, 47504270), (5, 38003416), (8, 23752135), (10, 19001708), (11, 17274280), (20, 9500854), (22, 8637140), (40, 4750427), (44, 4318570), (55, 3454856), (88, 2159285), (110, 1727428), (220, 863714), (440, 431857)]