2107276225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1601}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 2932044480

約数和(自身を除く): 824768255

約数列:

[1, 5, 17, 19, 25, 85, 95, 163, 323, 425, 475, 815, 1601, 1615, 2771, 3097, 4075, 8005, 8075, 13855, 15485, 27217, 30419, 40025, 52649, 69275, 77425, 136085, 152095, 260963, 263245, 517123, 680425, 760475, 1304815, 1316225, 2585615, 4436371, 4958297, 6524075, 12928075, 22181855, 24791485, 84291049, 110909275, 123957425, 421455245, 2107276225]

約数ペア:

[(1, 2107276225), (5, 421455245), (17, 123957425), (19, 110909275), (25, 84291049), (85, 24791485), (95, 22181855), (163, 12928075), (323, 6524075), (425, 4958297), (475, 4436371), (815, 2585615), (1601, 1316225), (1615, 1304815), (2771, 760475), (3097, 680425), (4075, 517123), (8005, 263245), (8075, 260963), (13855, 152095), (15485, 136085), (27217, 77425), (30419, 69275), (40025, 52649)]