243488570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1949}}^1$

素因数の和:2031

約数の個数: 48

約数和(自身を含む): 487960200

約数和(自身を除く): 244471630

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 1949, 2015, 3898, 4030, 4805, 9610, 9745, 12493, 19490, 24986, 25337, 50674, 60419, 62465, 120838, 124930, 126685, 253370, 302095, 604190, 785447, 1570894, 1872989, 3745978, 3927235, 7854470, 9364945, 18729890, 24348857, 48697714, 121744285, 243488570]

約数ペア:

[(1, 243488570), (2, 121744285), (5, 48697714), (10, 24348857), (13, 18729890), (26, 9364945), (31, 7854470), (62, 3927235), (65, 3745978), (130, 1872989), (155, 1570894), (310, 785447), (403, 604190), (806, 302095), (961, 253370), (1922, 126685), (1949, 124930), (2015, 120838), (3898, 62465), (4030, 60419), (4805, 50674), (9610, 25337), (9745, 24986), (12493, 19490)]