290870425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1559}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 383011200

約数和(自身を除く): 92140775

約数列:

[1, 5, 17, 25, 85, 425, 439, 1559, 2195, 7463, 7795, 10975, 26503, 37315, 38975, 132515, 186575, 662575, 684401, 3422005, 11634817, 17110025, 58174085, 290870425]

約数ペア:

[(1, 290870425), (5, 58174085), (17, 17110025), (25, 11634817), (85, 3422005), (425, 684401), (439, 662575), (1559, 186575), (2195, 132515), (7463, 38975), (7795, 37315), (10975, 26503)]