720969575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{7039}}^1$

素因数の和:7307

約数の個数: 24

約数和(自身を含む): 950653440

約数和(自身を除く): 229683865

約数列:

[1, 5, 17, 25, 85, 241, 425, 1205, 4097, 6025, 7039, 20485, 35195, 102425, 119663, 175975, 598315, 1696399, 2991575, 8481995, 28838783, 42409975, 144193915, 720969575]

約数ペア:

[(1, 720969575), (5, 144193915), (17, 42409975), (25, 28838783), (85, 8481995), (241, 2991575), (425, 1696399), (1205, 598315), (4097, 175975), (6025, 119663), (7039, 102425), (20485, 35195)]