209901580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{2503}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 504806400

約数和(自身を除く): 294904820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 599, 1198, 2396, 2503, 2995, 4193, 5006, 5990, 8386, 10012, 11980, 12515, 16772, 17521, 20965, 25030, 35042, 41930, 50060, 70084, 83860, 87605, 175210, 350420, 1499297, 2998594, 5997188, 7496485, 10495079, 14992970, 20990158, 29985940, 41980316, 52475395, 104950790, 209901580]

約数ペア:

[(1, 209901580), (2, 104950790), (4, 52475395), (5, 41980316), (7, 29985940), (10, 20990158), (14, 14992970), (20, 10495079), (28, 7496485), (35, 5997188), (70, 2998594), (140, 1499297), (599, 350420), (1198, 175210), (2396, 87605), (2503, 83860), (2995, 70084), (4193, 50060), (5006, 41930), (5990, 35042), (8386, 25030), (10012, 20965), (11980, 17521), (12515, 16772)]