30131980

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6637}}^1$

素因数の和:6873

約数の個数: 24

約数和(自身を含む): 63565488

約数和(自身を除く): 33433508

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 6637, 13274, 26548, 33185, 66370, 132740, 1506599, 3013198, 6026396, 7532995, 15065990, 30131980]

約数ペア:

[(1, 30131980), (2, 15065990), (4, 7532995), (5, 6026396), (10, 3013198), (20, 1506599), (227, 132740), (454, 66370), (908, 33185), (1135, 26548), (2270, 13274), (4540, 6637)]