1528480520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{779837}}^1$

素因数の和:779862

約数の個数: 48

約数和(自身を含む): 4000568940

約数和(自身を除く): 2472088420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 779837, 1559674, 3119348, 3899185, 5458859, 6238696, 7798370, 10917718, 15596740, 21835436, 27294295, 31193480, 38212013, 43670872, 54588590, 76424026, 109177180, 152848052, 191060065, 218354360, 305696104, 382120130, 764240260, 1528480520]

約数ペア:

[(1, 1528480520), (2, 764240260), (4, 382120130), (5, 305696104), (7, 218354360), (8, 191060065), (10, 152848052), (14, 109177180), (20, 76424026), (28, 54588590), (35, 43670872), (40, 38212013), (49, 31193480), (56, 27294295), (70, 21835436), (98, 15596740), (140, 10917718), (196, 7798370), (245, 6238696), (280, 5458859), (392, 3899185), (490, 3119348), (980, 1559674), (1960, 779837)]