84271180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{85991}}^1$

素因数の和:86014

約数の個数: 36

約数和(自身を含む): 205864848

約数和(自身を除く): 121593668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 85991, 171982, 343964, 429955, 601937, 859910, 1203874, 1719820, 2407748, 3009685, 4213559, 6019370, 8427118, 12038740, 16854236, 21067795, 42135590, 84271180]

約数ペア:

[(1, 84271180), (2, 42135590), (4, 21067795), (5, 16854236), (7, 12038740), (10, 8427118), (14, 6019370), (20, 4213559), (28, 3009685), (35, 2407748), (49, 1719820), (70, 1203874), (98, 859910), (140, 601937), (196, 429955), (245, 343964), (490, 171982), (980, 85991)]