2391460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 5072760

約数和(自身を除く): 2681300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1097, 2180, 2194, 4388, 5485, 10970, 21940, 119573, 239146, 478292, 597865, 1195730, 2391460]

約数ペア:

[(1, 2391460), (2, 1195730), (4, 597865), (5, 478292), (10, 239146), (20, 119573), (109, 21940), (218, 10970), (436, 5485), (545, 4388), (1090, 2194), (1097, 2180)]