31129700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{6353}}^1$

素因数の和:6381

約数の個数: 54

約数和(自身を含む): 78592626

約数和(自身を除く): 47462926

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 6353, 12706, 25412, 31765, 44471, 63530, 88942, 127060, 158825, 177884, 222355, 311297, 317650, 444710, 622594, 635300, 889420, 1111775, 1245188, 1556485, 2223550, 3112970, 4447100, 6225940, 7782425, 15564850, 31129700]

約数ペア:

[(1, 31129700), (2, 15564850), (4, 7782425), (5, 6225940), (7, 4447100), (10, 3112970), (14, 2223550), (20, 1556485), (25, 1245188), (28, 1111775), (35, 889420), (49, 635300), (50, 622594), (70, 444710), (98, 317650), (100, 311297), (140, 222355), (175, 177884), (196, 158825), (245, 127060), (350, 88942), (490, 63530), (700, 44471), (980, 31765), (1225, 25412), (2450, 12706), (4900, 6353)]