209003280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{870847}}^1$

素因数の和:870863

約数の個数: 40

約数和(自身を含む): 647910912

約数和(自身を除く): 438907632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 870847, 1741694, 2612541, 3483388, 4354235, 5225082, 6966776, 8708470, 10450164, 13062705, 13933552, 17416940, 20900328, 26125410, 34833880, 41800656, 52250820, 69667760, 104501640, 209003280]

約数ペア:

[(1, 209003280), (2, 104501640), (3, 69667760), (4, 52250820), (5, 41800656), (6, 34833880), (8, 26125410), (10, 20900328), (12, 17416940), (15, 13933552), (16, 13062705), (20, 10450164), (24, 8708470), (30, 6966776), (40, 5225082), (48, 4354235), (60, 3483388), (80, 2612541), (120, 1741694), (240, 870847)]