90911180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{769}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 200249280

約数和(自身を除く): 109338100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 257, 460, 514, 769, 1028, 1285, 1538, 2570, 3076, 3845, 5140, 5911, 7690, 11822, 15380, 17687, 23644, 29555, 35374, 59110, 70748, 88435, 118220, 176870, 197633, 353740, 395266, 790532, 988165, 1976330, 3952660, 4545559, 9091118, 18182236, 22727795, 45455590, 90911180]

約数ペア:

[(1, 90911180), (2, 45455590), (4, 22727795), (5, 18182236), (10, 9091118), (20, 4545559), (23, 3952660), (46, 1976330), (92, 988165), (115, 790532), (230, 395266), (257, 353740), (460, 197633), (514, 176870), (769, 118220), (1028, 88435), (1285, 70748), (1538, 59110), (2570, 35374), (3076, 29555), (3845, 23644), (5140, 17687), (5911, 15380), (7690, 11822)]