28371140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1061}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 68511744

約数和(自身を除く): 40140604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1061, 1337, 1910, 2122, 2674, 3820, 4244, 5305, 5348, 6685, 7427, 10610, 13370, 14854, 21220, 26740, 29708, 37135, 74270, 148540, 202651, 405302, 810604, 1013255, 1418557, 2026510, 2837114, 4053020, 5674228, 7092785, 14185570, 28371140]

約数ペア:

[(1, 28371140), (2, 14185570), (4, 7092785), (5, 5674228), (7, 4053020), (10, 2837114), (14, 2026510), (20, 1418557), (28, 1013255), (35, 810604), (70, 405302), (140, 202651), (191, 148540), (382, 74270), (764, 37135), (955, 29708), (1061, 26740), (1337, 21220), (1910, 14854), (2122, 13370), (2674, 10610), (3820, 7427), (4244, 6685), (5305, 5348)]