7154420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3931}}^1$

素因数の和:3960

約数の個数: 48

約数和(自身を含む): 18496128

約数和(自身を除く): 11341708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 3931, 7862, 15724, 19655, 27517, 39310, 51103, 55034, 78620, 102206, 110068, 137585, 204412, 255515, 275170, 357721, 511030, 550340, 715442, 1022060, 1430884, 1788605, 3577210, 7154420]

約数ペア:

[(1, 7154420), (2, 3577210), (4, 1788605), (5, 1430884), (7, 1022060), (10, 715442), (13, 550340), (14, 511030), (20, 357721), (26, 275170), (28, 255515), (35, 204412), (52, 137585), (65, 110068), (70, 102206), (91, 78620), (130, 55034), (140, 51103), (182, 39310), (260, 27517), (364, 19655), (455, 15724), (910, 7862), (1820, 3931)]