28049000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{4007}}^1$

素因数の和:4035

約数の個数: 64

約数和(自身を含む): 75029760

約数和(自身を除く): 46980760

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, 4007, 7000, 8014, 16028, 20035, 28049, 32056, 40070, 56098, 80140, 100175, 112196, 140245, 160280, 200350, 224392, 280490, 400700, 500875, 560980, 701225, 801400, 1001750, 1121960, 1402450, 2003500, 2804900, 3506125, 4007000, 5609800, 7012250, 14024500, 28049000]

約数ペア:

[(1, 28049000), (2, 14024500), (4, 7012250), (5, 5609800), (7, 4007000), (8, 3506125), (10, 2804900), (14, 2003500), (20, 1402450), (25, 1121960), (28, 1001750), (35, 801400), (40, 701225), (50, 560980), (56, 500875), (70, 400700), (100, 280490), (125, 224392), (140, 200350), (175, 160280), (200, 140245), (250, 112196), (280, 100175), (350, 80140), (500, 56098), (700, 40070), (875, 32056), (1000, 28049), (1400, 20035), (1750, 16028), (3500, 8014), (4007, 7000)]