28939260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68903}}^1$

素因数の和:68922

約数の個数: 48

約数和(自身を含む): 92606976

約数和(自身を除く): 63667716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68903, 137806, 206709, 275612, 344515, 413418, 482321, 689030, 826836, 964642, 1033545, 1378060, 1446963, 1929284, 2067090, 2411605, 2893926, 4134180, 4823210, 5787852, 7234815, 9646420, 14469630, 28939260]

約数ペア:

[(1, 28939260), (2, 14469630), (3, 9646420), (4, 7234815), (5, 5787852), (6, 4823210), (7, 4134180), (10, 2893926), (12, 2411605), (14, 2067090), (15, 1929284), (20, 1446963), (21, 1378060), (28, 1033545), (30, 964642), (35, 826836), (42, 689030), (60, 482321), (70, 413418), (84, 344515), (105, 275612), (140, 206709), (210, 137806), (420, 68903)]