31719254780

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1\times {\mathrm{7253}}^1$

素因数の和:8198

約数の個数: 48

約数和(自身を含む): 66905092800

約数和(自身を除く): 35185838020

約数列:

[1, 2, 4, 5, 10, 20, 449, 487, 898, 974, 1796, 1948, 2245, 2435, 4490, 4870, 7253, 8980, 9740, 14506, 29012, 36265, 72530, 145060, 218663, 437326, 874652, 1093315, 2186630, 3256597, 3532211, 4373260, 6513194, 7064422, 13026388, 14128844, 16282985, 17661055, 32565970, 35322110, 65131940, 70644220, 1585962739, 3171925478, 6343850956, 7929813695, 15859627390, 31719254780]

約数ペア:

[(1, 31719254780), (2, 15859627390), (4, 7929813695), (5, 6343850956), (10, 3171925478), (20, 1585962739), (449, 70644220), (487, 65131940), (898, 35322110), (974, 32565970), (1796, 17661055), (1948, 16282985), (2245, 14128844), (2435, 13026388), (4490, 7064422), (4870, 6513194), (7253, 4373260), (8980, 3532211), (9740, 3256597), (14506, 2186630), (29012, 1093315), (36265, 874652), (72530, 437326), (145060, 218663)]