1813000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{37}}^1$

素因数の和:72

約数の個数: 96

約数和(自身を含む): 5068440

約数和(自身を除く): 3255440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 49, 50, 56, 70, 74, 98, 100, 125, 140, 148, 175, 185, 196, 200, 245, 250, 259, 280, 296, 350, 370, 392, 490, 500, 518, 700, 740, 875, 925, 980, 1000, 1036, 1225, 1295, 1400, 1480, 1750, 1813, 1850, 1960, 2072, 2450, 2590, 3500, 3626, 3700, 4625, 4900, 5180, 6125, 6475, 7000, 7252, 7400, 9065, 9250, 9800, 10360, 12250, 12950, 14504, 18130, 18500, 24500, 25900, 32375, 36260, 37000, 45325, 49000, 51800, 64750, 72520, 90650, 129500, 181300, 226625, 259000, 362600, 453250, 906500, 1813000]

約数ペア:

[(1, 1813000), (2, 906500), (4, 453250), (5, 362600), (7, 259000), (8, 226625), (10, 181300), (14, 129500), (20, 90650), (25, 72520), (28, 64750), (35, 51800), (37, 49000), (40, 45325), (49, 37000), (50, 36260), (56, 32375), (70, 25900), (74, 24500), (98, 18500), (100, 18130), (125, 14504), (140, 12950), (148, 12250), (175, 10360), (185, 9800), (196, 9250), (200, 9065), (245, 7400), (250, 7252), (259, 7000), (280, 6475), (296, 6125), (350, 5180), (370, 4900), (392, 4625), (490, 3700), (500, 3626), (518, 3500), (700, 2590), (740, 2450), (875, 2072), (925, 1960), (980, 1850), (1000, 1813), (1036, 1750), (1225, 1480), (1295, 1400)]