189656860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1481}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 420769440

約数和(自身を除く): 231112580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 337, 380, 674, 1348, 1481, 1685, 2962, 3370, 5924, 6403, 6740, 7405, 12806, 14810, 25612, 28139, 29620, 32015, 56278, 64030, 112556, 128060, 140695, 281390, 499097, 562780, 998194, 1996388, 2495485, 4990970, 9482843, 9981940, 18965686, 37931372, 47414215, 94828430, 189656860]

約数ペア:

[(1, 189656860), (2, 94828430), (4, 47414215), (5, 37931372), (10, 18965686), (19, 9981940), (20, 9482843), (38, 4990970), (76, 2495485), (95, 1996388), (190, 998194), (337, 562780), (380, 499097), (674, 281390), (1348, 140695), (1481, 128060), (1685, 112556), (2962, 64030), (3370, 56278), (5924, 32015), (6403, 29620), (6740, 28139), (7405, 25612), (12806, 14810)]