56982740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 123475968

約数和(自身を除く): 66493228

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 173, 215, 346, 383, 430, 692, 766, 860, 865, 1532, 1730, 1915, 3460, 3830, 7439, 7660, 14878, 16469, 29756, 32938, 37195, 65876, 66259, 74390, 82345, 132518, 148780, 164690, 265036, 329380, 331295, 662590, 1325180, 2849137, 5698274, 11396548, 14245685, 28491370, 56982740]

約数ペア:

[(1, 56982740), (2, 28491370), (4, 14245685), (5, 11396548), (10, 5698274), (20, 2849137), (43, 1325180), (86, 662590), (172, 331295), (173, 329380), (215, 265036), (346, 164690), (383, 148780), (430, 132518), (692, 82345), (766, 74390), (860, 66259), (865, 65876), (1532, 37195), (1730, 32938), (1915, 29756), (3460, 16469), (3830, 14878), (7439, 7660)]