127581580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47963}}^1$

素因数の和:47998

約数の個数: 48

約数和(自身を含む): 322318080

約数和(自身を除く): 194736500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 47963, 95926, 191852, 239815, 335741, 479630, 671482, 911297, 959260, 1342964, 1678705, 1822594, 3357410, 3645188, 4556485, 6379079, 6714820, 9112970, 12758158, 18225940, 25516316, 31895395, 63790790, 127581580]

約数ペア:

[(1, 127581580), (2, 63790790), (4, 31895395), (5, 25516316), (7, 18225940), (10, 12758158), (14, 9112970), (19, 6714820), (20, 6379079), (28, 4556485), (35, 3645188), (38, 3357410), (70, 1822594), (76, 1678705), (95, 1342964), (133, 959260), (140, 911297), (190, 671482), (266, 479630), (380, 335741), (532, 239815), (665, 191852), (1330, 95926), (2660, 47963)]