28765380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68489}}^1$

素因数の和:68508

約数の個数: 48

約数和(自身を含む): 92050560

約数和(自身を除く): 63285180

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, 68489, 136978, 205467, 273956, 342445, 410934, 479423, 684890, 821868, 958846, 1027335, 1369780, 1438269, 1917692, 2054670, 2397115, 2876538, 4109340, 4794230, 5753076, 7191345, 9588460, 14382690, 28765380]

約数ペア:

[(1, 28765380), (2, 14382690), (3, 9588460), (4, 7191345), (5, 5753076), (6, 4794230), (7, 4109340), (10, 2876538), (12, 2397115), (14, 2054670), (15, 1917692), (20, 1438269), (21, 1369780), (28, 1027335), (30, 958846), (35, 821868), (42, 684890), (60, 479423), (70, 410934), (84, 342445), (105, 273956), (140, 205467), (210, 136978), (420, 68489)]