200907805

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{761}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 291144960

約数和(自身を除く): 90237155

約数列:

[1, 5, 7, 19, 35, 95, 133, 397, 665, 761, 1985, 2779, 3805, 5327, 7543, 13895, 14459, 26635, 37715, 52801, 72295, 101213, 264005, 302117, 506065, 1510585, 2114819, 5740223, 10574095, 28701115, 40181561, 200907805]

約数ペア:

[(1, 200907805), (5, 40181561), (7, 28701115), (19, 10574095), (35, 5740223), (95, 2114819), (133, 1510585), (397, 506065), (665, 302117), (761, 264005), (1985, 101213), (2779, 72295), (3805, 52801), (5327, 37715), (7543, 26635), (13895, 14459)]