90221180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28019}}^1$

素因数の和:28058

約数の個数: 48

約数和(自身を含む): 225953280

約数和(自身を除く): 135732100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 28019, 56038, 112076, 140095, 196133, 280190, 392266, 560380, 644437, 784532, 980665, 1288874, 1961330, 2577748, 3222185, 3922660, 4511059, 6444370, 9022118, 12888740, 18044236, 22555295, 45110590, 90221180]

約数ペア:

[(1, 90221180), (2, 45110590), (4, 22555295), (5, 18044236), (7, 12888740), (10, 9022118), (14, 6444370), (20, 4511059), (23, 3922660), (28, 3222185), (35, 2577748), (46, 1961330), (70, 1288874), (92, 980665), (115, 784532), (140, 644437), (161, 560380), (230, 392266), (322, 280190), (460, 196133), (644, 140095), (805, 112076), (1610, 56038), (3220, 28019)]