13839500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 30663360

約数和(自身を除く): 16823860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 311, 356, 445, 500, 622, 890, 1244, 1555, 1780, 2225, 3110, 4450, 6220, 7775, 8900, 11125, 15550, 22250, 27679, 31100, 38875, 44500, 55358, 77750, 110716, 138395, 155500, 276790, 553580, 691975, 1383950, 2767900, 3459875, 6919750, 13839500]

約数ペア:

[(1, 13839500), (2, 6919750), (4, 3459875), (5, 2767900), (10, 1383950), (20, 691975), (25, 553580), (50, 276790), (89, 155500), (100, 138395), (125, 110716), (178, 77750), (250, 55358), (311, 44500), (356, 38875), (445, 31100), (500, 27679), (622, 22250), (890, 15550), (1244, 11125), (1555, 8900), (1780, 7775), (2225, 6220), (3110, 4450)]