209150575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 294624000

約数和(自身を除く): 85473425

約数列:

[1, 5, 17, 19, 25, 59, 85, 95, 295, 323, 425, 439, 475, 1003, 1121, 1475, 1615, 2195, 5015, 5605, 7463, 8075, 8341, 10975, 19057, 25075, 25901, 28025, 37315, 41705, 95285, 129505, 141797, 186575, 208525, 440317, 476425, 492119, 647525, 708985, 2201585, 2460595, 3544925, 8366023, 11007925, 12302975, 41830115, 209150575]

約数ペア:

[(1, 209150575), (5, 41830115), (17, 12302975), (19, 11007925), (25, 8366023), (59, 3544925), (85, 2460595), (95, 2201585), (295, 708985), (323, 647525), (425, 492119), (439, 476425), (475, 440317), (1003, 208525), (1121, 186575), (1475, 141797), (1615, 129505), (2195, 95285), (5015, 41705), (5605, 37315), (7463, 28025), (8075, 25901), (8341, 25075), (10975, 19057)]