1388839.00000000

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 90708480

約数和(自身を除く): 39740505

約数列:

[1, 3, 5, 15, 19, 25, 47, 57, 75, 95, 141, 235, 285, 475, 705, 761, 893, 1175, 1425, 2283, 2679, 3525, 3805, 4465, 11415, 13395, 14459, 19025, 22325, 35767, 43377, 57075, 66975, 72295, 107301, 178835, 216885, 361475, 536505, 679573, 894175, 1084425, 2038719, 2682525, 3397865, 10193595, 16989325, 50967975]

約数ペア:

[(1, 50967975), (3, 16989325), (5, 10193595), (15, 3397865), (19, 2682525), (25, 2038719), (47, 1084425), (57, 894175), (75, 679573), (95, 536505), (141, 361475), (235, 216885), (285, 178835), (475, 107301), (705, 72295), (761, 66975), (893, 57075), (1175, 43377), (1425, 35767), (2283, 22325), (2679, 19025), (3525, 14459), (3805, 13395), (4465, 11415)]