141738440

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2749}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 319275000

約数和(自身を除く): 177536560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 2578, 2749, 5156, 5498, 6445, 10312, 10996, 12890, 13745, 21992, 25780, 27490, 51560, 54980, 109960, 3543461, 7086922, 14173844, 17717305, 28347688, 35434610, 70869220, 141738440]

約数ペア:

[(1, 141738440), (2, 70869220), (4, 35434610), (5, 28347688), (8, 17717305), (10, 14173844), (20, 7086922), (40, 3543461), (1289, 109960), (2578, 54980), (2749, 51560), (5156, 27490), (5498, 25780), (6445, 21992), (10312, 13745), (10996, 12890)]