209898550

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 402161760

約数和(自身を除く): 192263210

約数列:

[1, 2, 5, 10, 25, 50, 53, 103, 106, 206, 265, 515, 530, 769, 1030, 1325, 1538, 2575, 2650, 3845, 5150, 5459, 7690, 10918, 19225, 27295, 38450, 40757, 54590, 79207, 81514, 136475, 158414, 203785, 272950, 396035, 407570, 792070, 1018925, 1980175, 2037850, 3960350, 4197971, 8395942, 20989855, 41979710, 104949275, 209898550]

約数ペア:

[(1, 209898550), (2, 104949275), (5, 41979710), (10, 20989855), (25, 8395942), (50, 4197971), (53, 3960350), (103, 2037850), (106, 1980175), (206, 1018925), (265, 792070), (515, 407570), (530, 396035), (769, 272950), (1030, 203785), (1325, 158414), (1538, 136475), (2575, 81514), (2650, 79207), (3845, 54590), (5150, 40757), (5459, 38450), (7690, 27295), (10918, 19225)]