291783760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1979}}^1$

素因数の和:2108

約数の個数: 80

約数和(自身を含む): 721828800

約数和(自身を除く): 430045040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 970, 1520, 1552, 1843, 1940, 1979, 3686, 3880, 3958, 7372, 7760, 7916, 9215, 9895, 14744, 15832, 18430, 19790, 29488, 31664, 36860, 37601, 39580, 73720, 75202, 79160, 147440, 150404, 158320, 188005, 191963, 300808, 376010, 383926, 601616, 752020, 767852, 959815, 1504040, 1535704, 1919630, 3008080, 3071408, 3647297, 3839260, 7294594, 7678520, 14589188, 15357040, 18236485, 29178376, 36472970, 58356752, 72945940, 145891880, 291783760]

約数ペア:

[(1, 291783760), (2, 145891880), (4, 72945940), (5, 58356752), (8, 36472970), (10, 29178376), (16, 18236485), (19, 15357040), (20, 14589188), (38, 7678520), (40, 7294594), (76, 3839260), (80, 3647297), (95, 3071408), (97, 3008080), (152, 1919630), (190, 1535704), (194, 1504040), (304, 959815), (380, 767852), (388, 752020), (485, 601616), (760, 383926), (776, 376010), (970, 300808), (1520, 191963), (1552, 188005), (1843, 158320), (1940, 150404), (1979, 147440), (3686, 79160), (3880, 75202), (3958, 73720), (7372, 39580), (7760, 37601), (7916, 36860), (9215, 31664), (9895, 29488), (14744, 19790), (15832, 18430)]