204126580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1973}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 490815360

約数和(自身を除く): 286688780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 739, 1478, 1973, 2956, 3695, 3946, 5173, 7390, 7892, 9865, 10346, 13811, 14780, 19730, 20692, 25865, 27622, 39460, 51730, 55244, 69055, 103460, 138110, 276220, 1458047, 2916094, 5832188, 7290235, 10206329, 14580470, 20412658, 29160940, 40825316, 51031645, 102063290, 204126580]

約数ペア:

[(1, 204126580), (2, 102063290), (4, 51031645), (5, 40825316), (7, 29160940), (10, 20412658), (14, 14580470), (20, 10206329), (28, 7290235), (35, 5832188), (70, 2916094), (140, 1458047), (739, 276220), (1478, 138110), (1973, 103460), (2956, 69055), (3695, 55244), (3946, 51730), (5173, 39460), (7390, 27622), (7892, 25865), (9865, 20692), (10346, 19730), (13811, 14780)]