551605880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{4447}}^1$

素因数の和:4908

約数の個数: 64

約数和(自身を含む): 1421936640

約数和(自身を除く): 870330760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 443, 886, 1772, 2215, 3101, 3544, 4430, 4447, 6202, 8860, 8894, 12404, 15505, 17720, 17788, 22235, 24808, 31010, 31129, 35576, 44470, 62020, 62258, 88940, 124040, 124516, 155645, 177880, 249032, 311290, 622580, 1245160, 1970021, 3940042, 7880084, 9850105, 13790147, 15760168, 19700210, 27580294, 39400420, 55160588, 68950735, 78800840, 110321176, 137901470, 275802940, 551605880]

約数ペア:

[(1, 551605880), (2, 275802940), (4, 137901470), (5, 110321176), (7, 78800840), (8, 68950735), (10, 55160588), (14, 39400420), (20, 27580294), (28, 19700210), (35, 15760168), (40, 13790147), (56, 9850105), (70, 7880084), (140, 3940042), (280, 1970021), (443, 1245160), (886, 622580), (1772, 311290), (2215, 249032), (3101, 177880), (3544, 155645), (4430, 124516), (4447, 124040), (6202, 88940), (8860, 62258), (8894, 62020), (12404, 44470), (15505, 35576), (17720, 31129), (17788, 31010), (22235, 24808)]