2857421000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{408203}}^1$

素因数の和:408231

約数の個数: 64

約数和(自身を含む): 7641578880

約数和(自身を除く): 4784157880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 408203, 816406, 1632812, 2041015, 2857421, 3265624, 4082030, 5714842, 8164060, 10205075, 11429684, 14287105, 16328120, 20410150, 22859368, 28574210, 40820300, 51025375, 57148420, 71435525, 81640600, 102050750, 114296840, 142871050, 204101500, 285742100, 357177625, 408203000, 571484200, 714355250, 1428710500, 2857421000]

約数ペア:

[(1, 2857421000), (2, 1428710500), (4, 714355250), (5, 571484200), (7, 408203000), (8, 357177625), (10, 285742100), (14, 204101500), (20, 142871050), (25, 114296840), (28, 102050750), (35, 81640600), (40, 71435525), (50, 57148420), (56, 51025375), (70, 40820300), (100, 28574210), (125, 22859368), (140, 20410150), (175, 16328120), (200, 14287105), (250, 11429684), (280, 10205075), (350, 8164060), (500, 5714842), (700, 4082030), (875, 3265624), (1000, 2857421), (1400, 2041015), (1750, 1632812), (3500, 816406), (7000, 408203)]