210497725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7789}}^1$

素因数の和:7869

約数の個数: 24

約数和(自身を含む): 278196480

約数和(自身を除く): 67698755

約数列:

[1, 5, 23, 25, 47, 115, 235, 575, 1081, 1175, 5405, 7789, 27025, 38945, 179147, 194725, 366083, 895735, 1830415, 4478675, 8419909, 9152075, 42099545, 210497725]

約数ペア:

[(1, 210497725), (5, 42099545), (23, 9152075), (25, 8419909), (47, 4478675), (115, 1830415), (235, 895735), (575, 366083), (1081, 194725), (1175, 179147), (5405, 38945), (7789, 27025)]