56969780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{809}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 137168640

約数和(自身を除く): 80198860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 809, 1006, 1618, 2012, 2515, 3236, 3521, 4045, 5030, 5663, 7042, 8090, 10060, 11326, 14084, 16180, 17605, 22652, 28315, 35210, 56630, 70420, 113260, 406927, 813854, 1627708, 2034635, 2848489, 4069270, 5696978, 8138540, 11393956, 14242445, 28484890, 56969780]

約数ペア:

[(1, 56969780), (2, 28484890), (4, 14242445), (5, 11393956), (7, 8138540), (10, 5696978), (14, 4069270), (20, 2848489), (28, 2034635), (35, 1627708), (70, 813854), (140, 406927), (503, 113260), (809, 70420), (1006, 56630), (1618, 35210), (2012, 28315), (2515, 22652), (3236, 17605), (3521, 16180), (4045, 14084), (5030, 11326), (5663, 10060), (7042, 8090)]