1278889150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{332179}}^1$

素因数の和:332209

約数の個数: 48

約数和(自身を含む): 2965703040

約数和(自身を除く): 1686813890

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 332179, 664358, 1660895, 2325253, 3321790, 3653969, 4650506, 7307938, 8304475, 11626265, 16608950, 18269845, 23252530, 25577783, 36539690, 51155566, 58131325, 91349225, 116262650, 127888915, 182698450, 255777830, 639444575, 1278889150]

約数ペア:

[(1, 1278889150), (2, 639444575), (5, 255777830), (7, 182698450), (10, 127888915), (11, 116262650), (14, 91349225), (22, 58131325), (25, 51155566), (35, 36539690), (50, 25577783), (55, 23252530), (70, 18269845), (77, 16608950), (110, 11626265), (154, 8304475), (175, 7307938), (275, 4650506), (350, 3653969), (385, 3321790), (550, 2325253), (770, 1660895), (1925, 664358), (3850, 332179)]