30709000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 84913920

約数和(自身を除く): 54204920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 50, 56, 70, 82, 100, 107, 125, 140, 164, 175, 200, 205, 214, 250, 280, 287, 328, 350, 410, 428, 500, 535, 574, 700, 749, 820, 856, 875, 1000, 1025, 1070, 1148, 1400, 1435, 1498, 1640, 1750, 2050, 2140, 2296, 2675, 2870, 2996, 3500, 3745, 4100, 4280, 4387, 5125, 5350, 5740, 5992, 7000, 7175, 7490, 8200, 8774, 10250, 10700, 11480, 13375, 14350, 14980, 17548, 18725, 20500, 21400, 21935, 26750, 28700, 29960, 30709, 35096, 35875, 37450, 41000, 43870, 53500, 57400, 61418, 71750, 74900, 87740, 93625, 107000, 109675, 122836, 143500, 149800, 153545, 175480, 187250, 219350, 245672, 287000, 307090, 374500, 438700, 548375, 614180, 749000, 767725, 877400, 1096750, 1228360, 1535450, 2193500, 3070900, 3838625, 4387000, 6141800, 7677250, 15354500, 30709000]

約数ペア:

[(1, 30709000), (2, 15354500), (4, 7677250), (5, 6141800), (7, 4387000), (8, 3838625), (10, 3070900), (14, 2193500), (20, 1535450), (25, 1228360), (28, 1096750), (35, 877400), (40, 767725), (41, 749000), (50, 614180), (56, 548375), (70, 438700), (82, 374500), (100, 307090), (107, 287000), (125, 245672), (140, 219350), (164, 187250), (175, 175480), (200, 153545), (205, 149800), (214, 143500), (250, 122836), (280, 109675), (287, 107000), (328, 93625), (350, 87740), (410, 74900), (428, 71750), (500, 61418), (535, 57400), (574, 53500), (700, 43870), (749, 41000), (820, 37450), (856, 35875), (875, 35096), (1000, 30709), (1025, 29960), (1070, 28700), (1148, 26750), (1400, 21935), (1435, 21400), (1498, 20500), (1640, 18725), (1750, 17548), (2050, 14980), (2140, 14350), (2296, 13375), (2675, 11480), (2870, 10700), (2996, 10250), (3500, 8774), (3745, 8200), (4100, 7490), (4280, 7175), (4387, 7000), (5125, 5992), (5350, 5740)]