205403870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{154439}}^1$

素因数の和:154472

約数の個数: 32

約数和(自身を含む): 444787200

約数和(自身を除く): 239383330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 154439, 308878, 772195, 1081073, 1544390, 2162146, 2934341, 5405365, 5868682, 10810730, 14671705, 20540387, 29343410, 41080774, 102701935, 205403870]

約数ペア:

[(1, 205403870), (2, 102701935), (5, 41080774), (7, 29343410), (10, 20540387), (14, 14671705), (19, 10810730), (35, 5868682), (38, 5405365), (70, 2934341), (95, 2162146), (133, 1544390), (190, 1081073), (266, 772195), (665, 308878), (1330, 154439)]