126127220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{203431}}^1$

素因数の和:203471

約数の個数: 24

約数和(自身を含む): 273412608

約数和(自身を除く): 147285388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 203431, 406862, 813724, 1017155, 2034310, 4068620, 6306361, 12612722, 25225444, 31531805, 63063610, 126127220]

約数ペア:

[(1, 126127220), (2, 63063610), (4, 31531805), (5, 25225444), (10, 12612722), (20, 6306361), (31, 4068620), (62, 2034310), (124, 1017155), (155, 813724), (310, 406862), (620, 203431)]