54989420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{144709}}^1$

素因数の和:144737

約数の個数: 24

約数和(自身を含む): 121556400

約数和(自身を除く): 66566980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 144709, 289418, 578836, 723545, 1447090, 2749471, 2894180, 5498942, 10997884, 13747355, 27494710, 54989420]

約数ペア:

[(1, 54989420), (2, 27494710), (4, 13747355), (5, 10997884), (10, 5498942), (19, 2894180), (20, 2749471), (38, 1447090), (76, 723545), (95, 578836), (190, 289418), (380, 144709)]