236401960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137443}}^1$

素因数の和:137497

約数の個数: 32

約数和(自身を含む): 544278240

約数和(自身を除く): 307876280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 137443, 274886, 549772, 687215, 1099544, 1374430, 2748860, 5497720, 5910049, 11820098, 23640196, 29550245, 47280392, 59100490, 118200980, 236401960]

約数ペア:

[(1, 236401960), (2, 118200980), (4, 59100490), (5, 47280392), (8, 29550245), (10, 23640196), (20, 11820098), (40, 5910049), (43, 5497720), (86, 2748860), (172, 1374430), (215, 1099544), (344, 687215), (430, 549772), (860, 274886), (1720, 137443)]