90738775

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 36

約数和(自身を含む): 126005080

約数和(自身を除く): 35266305

約数列:

[1, 5, 17, 19, 25, 85, 95, 289, 323, 425, 475, 661, 1445, 1615, 3305, 5491, 7225, 8075, 11237, 12559, 16525, 27455, 56185, 62795, 137275, 191029, 213503, 280925, 313975, 955145, 1067515, 3629551, 4775725, 5337575, 18147755, 90738775]

約数ペア:

[(1, 90738775), (5, 18147755), (17, 5337575), (19, 4775725), (25, 3629551), (85, 1067515), (95, 955145), (289, 313975), (323, 280925), (425, 213503), (475, 191029), (661, 137275), (1445, 62795), (1615, 56185), (3305, 27455), (5491, 16525), (7225, 12559), (8075, 11237)]