13872740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 33530112

約数和(自身を除く): 19657372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 503, 788, 985, 1006, 1379, 1970, 2012, 2515, 2758, 3521, 3940, 5030, 5516, 6895, 7042, 10060, 13790, 14084, 17605, 27580, 35210, 70420, 99091, 198182, 396364, 495455, 693637, 990910, 1387274, 1981820, 2774548, 3468185, 6936370, 13872740]

約数ペア:

[(1, 13872740), (2, 6936370), (4, 3468185), (5, 2774548), (7, 1981820), (10, 1387274), (14, 990910), (20, 693637), (28, 495455), (35, 396364), (70, 198182), (140, 99091), (197, 70420), (394, 35210), (503, 27580), (788, 17605), (985, 14084), (1006, 13790), (1379, 10060), (1970, 7042), (2012, 6895), (2515, 5516), (2758, 5030), (3521, 3940)]