55426980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131969}}^1$

素因数の和:131988

約数の個数: 48

約数和(自身を含む): 177367680

約数和(自身を除く): 121940700

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, 131969, 263938, 395907, 527876, 659845, 791814, 923783, 1319690, 1583628, 1847566, 1979535, 2639380, 2771349, 3695132, 3959070, 4618915, 5542698, 7918140, 9237830, 11085396, 13856745, 18475660, 27713490, 55426980]

約数ペア:

[(1, 55426980), (2, 27713490), (3, 18475660), (4, 13856745), (5, 11085396), (6, 9237830), (7, 7918140), (10, 5542698), (12, 4618915), (14, 3959070), (15, 3695132), (20, 2771349), (21, 2639380), (28, 1979535), (30, 1847566), (35, 1583628), (42, 1319690), (60, 923783), (70, 791814), (84, 659845), (105, 527876), (140, 395907), (210, 263938), (420, 131969)]