2889260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 6918912

約数和(自身を除く): 4029652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 571, 1012, 1142, 1265, 2284, 2530, 2855, 5060, 5710, 6281, 11420, 12562, 13133, 25124, 26266, 31405, 52532, 62810, 65665, 125620, 131330, 144463, 262660, 288926, 577852, 722315, 1444630, 2889260]

約数ペア:

[(1, 2889260), (2, 1444630), (4, 722315), (5, 577852), (10, 288926), (11, 262660), (20, 144463), (22, 131330), (23, 125620), (44, 65665), (46, 62810), (55, 52532), (92, 31405), (110, 26266), (115, 25124), (220, 13133), (230, 12562), (253, 11420), (460, 6281), (506, 5710), (571, 5060), (1012, 2855), (1142, 2530), (1265, 2284)]