81046000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{827}}^1$

素因数の和:864

約数の個数: 120

約数和(自身を含む): 228239856

約数和(自身を除く): 147193856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 827, 875, 980, 1000, 1225, 1400, 1654, 1750, 1960, 2000, 2450, 2800, 3308, 3500, 3920, 4135, 4900, 5789, 6125, 6616, 7000, 8270, 9800, 11578, 12250, 13232, 14000, 16540, 19600, 20675, 23156, 24500, 28945, 33080, 40523, 41350, 46312, 49000, 57890, 66160, 81046, 82700, 92624, 98000, 103375, 115780, 144725, 162092, 165400, 202615, 206750, 231560, 289450, 324184, 330800, 405230, 413500, 463120, 578900, 648368, 723625, 810460, 827000, 1013075, 1157800, 1447250, 1620920, 1654000, 2026150, 2315600, 2894500, 3241840, 4052300, 5065375, 5789000, 8104600, 10130750, 11578000, 16209200, 20261500, 40523000, 81046000]

約数ペア:

[(1, 81046000), (2, 40523000), (4, 20261500), (5, 16209200), (7, 11578000), (8, 10130750), (10, 8104600), (14, 5789000), (16, 5065375), (20, 4052300), (25, 3241840), (28, 2894500), (35, 2315600), (40, 2026150), (49, 1654000), (50, 1620920), (56, 1447250), (70, 1157800), (80, 1013075), (98, 827000), (100, 810460), (112, 723625), (125, 648368), (140, 578900), (175, 463120), (196, 413500), (200, 405230), (245, 330800), (250, 324184), (280, 289450), (350, 231560), (392, 206750), (400, 202615), (490, 165400), (500, 162092), (560, 144725), (700, 115780), (784, 103375), (827, 98000), (875, 92624), (980, 82700), (1000, 81046), (1225, 66160), (1400, 57890), (1654, 49000), (1750, 46312), (1960, 41350), (2000, 40523), (2450, 33080), (2800, 28945), (3308, 24500), (3500, 23156), (3920, 20675), (4135, 19600), (4900, 16540), (5789, 14000), (6125, 13232), (6616, 12250), (7000, 11578), (8270, 9800)]