4237220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 9831360

約数和(自身を除く): 5594140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 379, 430, 559, 758, 860, 1118, 1516, 1895, 2236, 2795, 3790, 4927, 5590, 7580, 9854, 11180, 16297, 19708, 24635, 32594, 49270, 65188, 81485, 98540, 162970, 211861, 325940, 423722, 847444, 1059305, 2118610, 4237220]

約数ペア:

[(1, 4237220), (2, 2118610), (4, 1059305), (5, 847444), (10, 423722), (13, 325940), (20, 211861), (26, 162970), (43, 98540), (52, 81485), (65, 65188), (86, 49270), (130, 32594), (172, 24635), (215, 19708), (260, 16297), (379, 11180), (430, 9854), (559, 7580), (758, 5590), (860, 4927), (1118, 3790), (1516, 2795), (1895, 2236)]