138478175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 208915200

約数和(自身を除く): 70437025

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 187, 209, 275, 323, 425, 475, 935, 1045, 1559, 1615, 3553, 4675, 5225, 7795, 8075, 17149, 17765, 26503, 29621, 38975, 85745, 88825, 132515, 148105, 291533, 325831, 428725, 503557, 662575, 740525, 1457665, 1629155, 2517785, 5539127, 7288325, 8145775, 12588925, 27695635, 138478175]

約数ペア:

[(1, 138478175), (5, 27695635), (11, 12588925), (17, 8145775), (19, 7288325), (25, 5539127), (55, 2517785), (85, 1629155), (95, 1457665), (187, 740525), (209, 662575), (275, 503557), (323, 428725), (425, 325831), (475, 291533), (935, 148105), (1045, 132515), (1559, 88825), (1615, 85745), (3553, 38975), (4675, 29621), (5225, 26503), (7795, 17765), (8075, 17149)]