30391325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 40854528

約数和(自身を除く): 10463203

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 1663, 3655, 8315, 18275, 28271, 41575, 71509, 141355, 357545, 706775, 1215653, 1787725, 6078265, 30391325]

約数ペア:

[(1, 30391325), (5, 6078265), (17, 1787725), (25, 1215653), (43, 706775), (85, 357545), (215, 141355), (425, 71509), (731, 41575), (1075, 28271), (1663, 18275), (3655, 8315)]