199020725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18217}}^1$

素因数の和:18269

約数の個数: 24

約数和(自身を含む): 271083840

約数和(自身を除く): 72063115

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 2185, 10925, 18217, 91085, 346123, 418991, 455425, 1730615, 2094955, 7960829, 8653075, 10474775, 39804145, 199020725]

約数ペア:

[(1, 199020725), (5, 39804145), (19, 10474775), (23, 8653075), (25, 7960829), (95, 2094955), (115, 1730615), (437, 455425), (475, 418991), (575, 346123), (2185, 91085), (10925, 18217)]