209545280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:836

約数の個数: 112

約数和(自身を含む): 575218560

約数和(自身を除く): 365673280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 139, 140, 160, 224, 278, 280, 320, 448, 556, 560, 673, 695, 973, 1112, 1120, 1346, 1390, 1946, 2224, 2240, 2692, 2780, 3365, 3892, 4448, 4711, 4865, 5384, 5560, 6730, 7784, 8896, 9422, 9730, 10768, 11120, 13460, 15568, 18844, 19460, 21536, 22240, 23555, 26920, 31136, 37688, 38920, 43072, 44480, 47110, 53840, 62272, 75376, 77840, 93547, 94220, 107680, 150752, 155680, 187094, 188440, 215360, 301504, 311360, 374188, 376880, 467735, 654829, 748376, 753760, 935470, 1309658, 1496752, 1507520, 1870940, 2619316, 2993504, 3274145, 3741880, 5238632, 5987008, 6548290, 7483760, 10477264, 13096580, 14967520, 20954528, 26193160, 29935040, 41909056, 52386320, 104772640, 209545280]

約数ペア:

[(1, 209545280), (2, 104772640), (4, 52386320), (5, 41909056), (7, 29935040), (8, 26193160), (10, 20954528), (14, 14967520), (16, 13096580), (20, 10477264), (28, 7483760), (32, 6548290), (35, 5987008), (40, 5238632), (56, 3741880), (64, 3274145), (70, 2993504), (80, 2619316), (112, 1870940), (139, 1507520), (140, 1496752), (160, 1309658), (224, 935470), (278, 753760), (280, 748376), (320, 654829), (448, 467735), (556, 376880), (560, 374188), (673, 311360), (695, 301504), (973, 215360), (1112, 188440), (1120, 187094), (1346, 155680), (1390, 150752), (1946, 107680), (2224, 94220), (2240, 93547), (2692, 77840), (2780, 75376), (3365, 62272), (3892, 53840), (4448, 47110), (4711, 44480), (4865, 43072), (5384, 38920), (5560, 37688), (6730, 31136), (7784, 26920), (8896, 23555), (9422, 22240), (9730, 21536), (10768, 19460), (11120, 18844), (13460, 15568)]