209473880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:3009

約数の個数: 128

約数和(自身を含む): 613370880

約数和(自身を除く): 403897000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1265, 1288, 1540, 1610, 1771, 2024, 2530, 2957, 3080, 3220, 3542, 5060, 5914, 6440, 7084, 8855, 10120, 11828, 14168, 14785, 17710, 20699, 23656, 29570, 32527, 35420, 41398, 59140, 65054, 68011, 70840, 82796, 103495, 118280, 130108, 136022, 162635, 165592, 206990, 227689, 260216, 272044, 325270, 340055, 413980, 455378, 476077, 544088, 650540, 680110, 748121, 827960, 910756, 952154, 1138445, 1301080, 1360220, 1496242, 1821512, 1904308, 2276890, 2380385, 2720440, 2992484, 3740605, 3808616, 4553780, 4760770, 5236847, 5984968, 7481210, 9107560, 9521540, 10473694, 14962420, 19043080, 20947388, 26184235, 29924840, 41894776, 52368470, 104736940, 209473880]

約数ペア:

[(1, 209473880), (2, 104736940), (4, 52368470), (5, 41894776), (7, 29924840), (8, 26184235), (10, 20947388), (11, 19043080), (14, 14962420), (20, 10473694), (22, 9521540), (23, 9107560), (28, 7481210), (35, 5984968), (40, 5236847), (44, 4760770), (46, 4553780), (55, 3808616), (56, 3740605), (70, 2992484), (77, 2720440), (88, 2380385), (92, 2276890), (110, 1904308), (115, 1821512), (140, 1496242), (154, 1360220), (161, 1301080), (184, 1138445), (220, 952154), (230, 910756), (253, 827960), (280, 748121), (308, 680110), (322, 650540), (385, 544088), (440, 476077), (460, 455378), (506, 413980), (616, 340055), (644, 325270), (770, 272044), (805, 260216), (920, 227689), (1012, 206990), (1265, 165592), (1288, 162635), (1540, 136022), (1610, 130108), (1771, 118280), (2024, 103495), (2530, 82796), (2957, 70840), (3080, 68011), (3220, 65054), (3542, 59140), (5060, 41398), (5914, 35420), (6440, 32527), (7084, 29570), (8855, 23656), (10120, 20699), (11828, 17710), (14168, 14785)]