2104436740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{76303}}^1$

素因数の和:76516

約数の個数: 48

約数和(自身を含む): 5076352512

約数和(自身を除く): 2971915772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 27580, 76303, 152606, 305212, 381515, 534121, 763030, 1068242, 1526060, 2136484, 2670605, 5341210, 10682420, 15031691, 30063382, 60126764, 75158455, 105221837, 150316910, 210443674, 300633820, 420887348, 526109185, 1052218370, 2104436740]

約数ペア:

[(1, 2104436740), (2, 1052218370), (4, 526109185), (5, 420887348), (7, 300633820), (10, 210443674), (14, 150316910), (20, 105221837), (28, 75158455), (35, 60126764), (70, 30063382), (140, 15031691), (197, 10682420), (394, 5341210), (788, 2670605), (985, 2136484), (1379, 1526060), (1970, 1068242), (2758, 763030), (3940, 534121), (5516, 381515), (6895, 305212), (13790, 152606), (27580, 76303)]