137971825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 191594880

約数和(自身を除く): 53623055

約数列:

[1, 5, 19, 23, 25, 73, 95, 115, 173, 365, 437, 475, 575, 865, 1387, 1679, 1825, 2185, 3287, 3979, 4325, 6935, 8395, 10925, 12629, 16435, 19895, 31901, 34675, 41975, 63145, 75601, 82175, 99475, 159505, 239951, 290467, 315725, 378005, 797525, 1199755, 1452335, 1890025, 5518873, 5998775, 7261675, 27594365, 137971825]

約数ペア:

[(1, 137971825), (5, 27594365), (19, 7261675), (23, 5998775), (25, 5518873), (73, 1890025), (95, 1452335), (115, 1199755), (173, 797525), (365, 378005), (437, 315725), (475, 290467), (575, 239951), (865, 159505), (1387, 99475), (1679, 82175), (1825, 75601), (2185, 63145), (3287, 41975), (3979, 34675), (4325, 31901), (6935, 19895), (8395, 16435), (10925, 12629)]