138612880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1949}}^1$

素因数の和:2096

約数の個数: 80

約数和(自身を含む): 371404800

約数和(自身を除く): 232791920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 1949, 2032, 2540, 3556, 3898, 4445, 5080, 7112, 7796, 8890, 9745, 10160, 13643, 14224, 15592, 17780, 19490, 27286, 31184, 35560, 38980, 54572, 68215, 71120, 77960, 109144, 136430, 155920, 218288, 247523, 272860, 495046, 545720, 990092, 1091440, 1237615, 1732661, 1980184, 2475230, 3465322, 3960368, 4950460, 6930644, 8663305, 9900920, 13861288, 17326610, 19801840, 27722576, 34653220, 69306440, 138612880]

約数ペア:

[(1, 138612880), (2, 69306440), (4, 34653220), (5, 27722576), (7, 19801840), (8, 17326610), (10, 13861288), (14, 9900920), (16, 8663305), (20, 6930644), (28, 4950460), (35, 3960368), (40, 3465322), (56, 2475230), (70, 1980184), (80, 1732661), (112, 1237615), (127, 1091440), (140, 990092), (254, 545720), (280, 495046), (508, 272860), (560, 247523), (635, 218288), (889, 155920), (1016, 136430), (1270, 109144), (1778, 77960), (1949, 71120), (2032, 68215), (2540, 54572), (3556, 38980), (3898, 35560), (4445, 31184), (5080, 27286), (7112, 19490), (7796, 17780), (8890, 15592), (9745, 14224), (10160, 13643)]