30917660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21773}}^1$

素因数の和:21853

約数の個数: 24

約数和(自身を含む): 65844576

約数和(自身を除く): 34926916

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21773, 43546, 87092, 108865, 217730, 435460, 1545883, 3091766, 6183532, 7729415, 15458830, 30917660]

約数ペア:

[(1, 30917660), (2, 15458830), (4, 7729415), (5, 6183532), (10, 3091766), (20, 1545883), (71, 435460), (142, 217730), (284, 108865), (355, 87092), (710, 43546), (1420, 21773)]