389670925

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 565678080

約数和(自身を除く): 176007155

約数列:

[1, 5, 7, 25, 35, 89, 127, 175, 197, 445, 623, 635, 889, 985, 1379, 2225, 3115, 3175, 4445, 4925, 6895, 11303, 15575, 17533, 22225, 25019, 34475, 56515, 79121, 87665, 122731, 125095, 175133, 282575, 395605, 438325, 613655, 625475, 875665, 1978025, 2226691, 3068275, 4378325, 11133455, 15586837, 55667275, 77934185, 389670925]

約数ペア:

[(1, 389670925), (5, 77934185), (7, 55667275), (25, 15586837), (35, 11133455), (89, 4378325), (127, 3068275), (175, 2226691), (197, 1978025), (445, 875665), (623, 625475), (635, 613655), (889, 438325), (985, 395605), (1379, 282575), (2225, 175133), (3115, 125095), (3175, 122731), (4445, 87665), (4925, 79121), (6895, 56515), (11303, 34475), (15575, 25019), (17533, 22225)]