74828975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 102114000

約数和(自身を除く): 27285025

約数列:

[1, 5, 13, 25, 65, 89, 169, 199, 325, 445, 845, 995, 1157, 2225, 2587, 4225, 4975, 5785, 12935, 15041, 17711, 28925, 33631, 64675, 75205, 88555, 168155, 230243, 376025, 442775, 840775, 1151215, 2993159, 5756075, 14965795, 74828975]

約数ペア:

[(1, 74828975), (5, 14965795), (13, 5756075), (25, 2993159), (65, 1151215), (89, 840775), (169, 442775), (199, 376025), (325, 230243), (445, 168155), (845, 88555), (995, 75205), (1157, 64675), (2225, 33631), (2587, 28925), (4225, 17711), (4975, 15041), (5785, 12935)]