388289795

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 526694400

約数和(自身を除く): 138404605

約数列:

[1, 5, 19, 23, 47, 95, 115, 199, 235, 361, 437, 893, 995, 1081, 1805, 2185, 3781, 4465, 4577, 5405, 8303, 9353, 16967, 18905, 20539, 22885, 41515, 46765, 71839, 84835, 86963, 102695, 177707, 215119, 359195, 390241, 434815, 888535, 1075595, 1652297, 1951205, 3376433, 4087261, 8261485, 16882165, 20436305, 77657959, 388289795]

約数ペア:

[(1, 388289795), (5, 77657959), (19, 20436305), (23, 16882165), (47, 8261485), (95, 4087261), (115, 3376433), (199, 1951205), (235, 1652297), (361, 1075595), (437, 888535), (893, 434815), (995, 390241), (1081, 359195), (1805, 215119), (2185, 177707), (3781, 102695), (4465, 86963), (4577, 84835), (5405, 71839), (8303, 46765), (9353, 41515), (16967, 22885), (18905, 20539)]