7128500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 15921360

約数和(自身を除く): 8792860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 269, 500, 530, 538, 1060, 1076, 1325, 1345, 2650, 2690, 5300, 5380, 6625, 6725, 13250, 13450, 14257, 26500, 26900, 28514, 33625, 57028, 67250, 71285, 134500, 142570, 285140, 356425, 712850, 1425700, 1782125, 3564250, 7128500]

約数ペア:

[(1, 7128500), (2, 3564250), (4, 1782125), (5, 1425700), (10, 712850), (20, 356425), (25, 285140), (50, 142570), (53, 134500), (100, 71285), (106, 67250), (125, 57028), (212, 33625), (250, 28514), (265, 26900), (269, 26500), (500, 14257), (530, 13450), (538, 13250), (1060, 6725), (1076, 6625), (1325, 5380), (1345, 5300), (2650, 2690)]