54739475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 82970880

約数和(自身を除く): 28231405

約数列:

[1, 5, 7, 19, 25, 35, 95, 101, 133, 163, 175, 475, 505, 665, 707, 815, 1141, 1919, 2525, 3097, 3325, 3535, 4075, 5705, 9595, 13433, 15485, 16463, 17675, 21679, 28525, 47975, 67165, 77425, 82315, 108395, 115241, 312797, 335825, 411575, 541975, 576205, 1563985, 2189579, 2881025, 7819925, 10947895, 54739475]

約数ペア:

[(1, 54739475), (5, 10947895), (7, 7819925), (19, 2881025), (25, 2189579), (35, 1563985), (95, 576205), (101, 541975), (133, 411575), (163, 335825), (175, 312797), (475, 115241), (505, 108395), (665, 82315), (707, 77425), (815, 67165), (1141, 47975), (1919, 28525), (2525, 21679), (3097, 17675), (3325, 16463), (3535, 15485), (4075, 13433), (5705, 9595)]