12866420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 33132960

約数和(自身を除く): 20266540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 691, 931, 980, 1330, 1382, 1862, 2660, 2764, 3455, 3724, 4655, 4837, 6910, 9310, 9674, 13129, 13820, 18620, 19348, 24185, 26258, 33859, 48370, 52516, 65645, 67718, 91903, 96740, 131290, 135436, 169295, 183806, 262580, 338590, 367612, 459515, 643321, 677180, 919030, 1286642, 1838060, 2573284, 3216605, 6433210, 12866420]

約数ペア:

[(1, 12866420), (2, 6433210), (4, 3216605), (5, 2573284), (7, 1838060), (10, 1286642), (14, 919030), (19, 677180), (20, 643321), (28, 459515), (35, 367612), (38, 338590), (49, 262580), (70, 183806), (76, 169295), (95, 135436), (98, 131290), (133, 96740), (140, 91903), (190, 67718), (196, 65645), (245, 52516), (266, 48370), (380, 33859), (490, 26258), (532, 24185), (665, 19348), (691, 18620), (931, 13820), (980, 13129), (1330, 9674), (1382, 9310), (1862, 6910), (2660, 4837), (2764, 4655), (3455, 3724)]