140538775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 196862400

約数和(自身を除く): 56323625

約数列:

[1, 5, 13, 25, 41, 53, 65, 199, 205, 265, 325, 533, 689, 995, 1025, 1325, 2173, 2587, 2665, 3445, 4975, 8159, 10547, 10865, 12935, 13325, 17225, 28249, 40795, 52735, 54325, 64675, 106067, 137111, 141245, 203975, 263675, 432427, 530335, 685555, 706225, 2162135, 2651675, 3427775, 5621551, 10810675, 28107755, 140538775]

約数ペア:

[(1, 140538775), (5, 28107755), (13, 10810675), (25, 5621551), (41, 3427775), (53, 2651675), (65, 2162135), (199, 706225), (205, 685555), (265, 530335), (325, 432427), (533, 263675), (689, 203975), (995, 141245), (1025, 137111), (1325, 106067), (2173, 64675), (2587, 54325), (2665, 52735), (3445, 40795), (4975, 28249), (8159, 17225), (10547, 13325), (10865, 12935)]