77848060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 168803712

約数和(自身を除く): 90955652

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 131, 172, 215, 262, 430, 524, 655, 691, 860, 1310, 1382, 2620, 2764, 3455, 5633, 6910, 11266, 13820, 22532, 28165, 29713, 56330, 59426, 90521, 112660, 118852, 148565, 181042, 297130, 362084, 452605, 594260, 905210, 1810420, 3892403, 7784806, 15569612, 19462015, 38924030, 77848060]

約数ペア:

[(1, 77848060), (2, 38924030), (4, 19462015), (5, 15569612), (10, 7784806), (20, 3892403), (43, 1810420), (86, 905210), (131, 594260), (172, 452605), (215, 362084), (262, 297130), (430, 181042), (524, 148565), (655, 118852), (691, 112660), (860, 90521), (1310, 59426), (1382, 56330), (2620, 29713), (2764, 28165), (3455, 22532), (5633, 13820), (6910, 11266)]