201708725

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 269982720

約数和(自身を除く): 68273995

約数列:

[1, 5, 25, 41, 47, 53, 79, 205, 235, 265, 395, 1025, 1175, 1325, 1927, 1975, 2173, 2491, 3239, 3713, 4187, 9635, 10865, 12455, 16195, 18565, 20935, 48175, 54325, 62275, 80975, 92825, 102131, 104675, 152233, 171667, 196789, 510655, 761165, 858335, 983945, 2553275, 3805825, 4291675, 4919725, 8068349, 40341745, 201708725]

約数ペア:

[(1, 201708725), (5, 40341745), (25, 8068349), (41, 4919725), (47, 4291675), (53, 3805825), (79, 2553275), (205, 983945), (235, 858335), (265, 761165), (395, 510655), (1025, 196789), (1175, 171667), (1325, 152233), (1927, 104675), (1975, 102131), (2173, 92825), (2491, 80975), (3239, 62275), (3713, 54325), (4187, 48175), (9635, 20935), (10865, 18565), (12455, 16195)]