28050260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1049}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 39687340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1049, 1337, 1910, 2098, 2674, 3820, 4196, 5245, 5348, 6685, 7343, 10490, 13370, 14686, 20980, 26740, 29372, 36715, 73430, 146860, 200359, 400718, 801436, 1001795, 1402513, 2003590, 2805026, 4007180, 5610052, 7012565, 14025130, 28050260]

約数ペア:

[(1, 28050260), (2, 14025130), (4, 7012565), (5, 5610052), (7, 4007180), (10, 2805026), (14, 2003590), (20, 1402513), (28, 1001795), (35, 801436), (70, 400718), (140, 200359), (191, 146860), (382, 73430), (764, 36715), (955, 29372), (1049, 26740), (1337, 20980), (1910, 14686), (2098, 13370), (2674, 10490), (3820, 7343), (4196, 6685), (5245, 5348)]