39949000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 115315200

約数和(自身を除く): 75366200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 325, 350, 364, 439, 455, 500, 520, 650, 700, 728, 875, 878, 910, 1000, 1300, 1400, 1625, 1750, 1756, 1820, 2195, 2275, 2600, 3073, 3250, 3500, 3512, 3640, 4390, 4550, 5707, 6146, 6500, 7000, 8780, 9100, 10975, 11375, 11414, 12292, 13000, 15365, 17560, 18200, 21950, 22750, 22828, 24584, 28535, 30730, 39949, 43900, 45500, 45656, 54875, 57070, 61460, 76825, 79898, 87800, 91000, 109750, 114140, 122920, 142675, 153650, 159796, 199745, 219500, 228280, 285350, 307300, 319592, 384125, 399490, 439000, 570700, 614600, 713375, 768250, 798980, 998725, 1141400, 1426750, 1536500, 1597960, 1997450, 2853500, 3073000, 3994900, 4993625, 5707000, 7989800, 9987250, 19974500, 39949000]

約数ペア:

[(1, 39949000), (2, 19974500), (4, 9987250), (5, 7989800), (7, 5707000), (8, 4993625), (10, 3994900), (13, 3073000), (14, 2853500), (20, 1997450), (25, 1597960), (26, 1536500), (28, 1426750), (35, 1141400), (40, 998725), (50, 798980), (52, 768250), (56, 713375), (65, 614600), (70, 570700), (91, 439000), (100, 399490), (104, 384125), (125, 319592), (130, 307300), (140, 285350), (175, 228280), (182, 219500), (200, 199745), (250, 159796), (260, 153650), (280, 142675), (325, 122920), (350, 114140), (364, 109750), (439, 91000), (455, 87800), (500, 79898), (520, 76825), (650, 61460), (700, 57070), (728, 54875), (875, 45656), (878, 45500), (910, 43900), (1000, 39949), (1300, 30730), (1400, 28535), (1625, 24584), (1750, 22828), (1756, 22750), (1820, 21950), (2195, 18200), (2275, 17560), (2600, 15365), (3073, 13000), (3250, 12292), (3500, 11414), (3512, 11375), (3640, 10975), (4390, 9100), (4550, 8780), (5707, 7000), (6146, 6500)]