211128475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 290918880

約数和(自身を除く): 79790405

約数列:

[1, 5, 19, 25, 37, 41, 95, 185, 205, 293, 475, 703, 779, 925, 1025, 1465, 1517, 3515, 3895, 5567, 7325, 7585, 10841, 12013, 17575, 19475, 27835, 28823, 37925, 54205, 60065, 139175, 144115, 205979, 228247, 271025, 300325, 444481, 720575, 1029895, 1141235, 2222405, 5149475, 5706175, 8445139, 11112025, 42225695, 211128475]

約数ペア:

[(1, 211128475), (5, 42225695), (19, 11112025), (25, 8445139), (37, 5706175), (41, 5149475), (95, 2222405), (185, 1141235), (205, 1029895), (293, 720575), (475, 444481), (703, 300325), (779, 271025), (925, 228247), (1025, 205979), (1465, 144115), (1517, 139175), (3515, 60065), (3895, 54205), (5567, 37925), (7325, 28823), (7585, 27835), (10841, 19475), (12013, 17575)]