2870000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{41}}^1$

素因数の和:76

約数の個数: 100

約数和(自身を含む): 8134896

約数和(自身を除く): 5264896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 125, 140, 164, 175, 200, 205, 250, 280, 287, 328, 350, 400, 410, 500, 560, 574, 625, 656, 700, 820, 875, 1000, 1025, 1148, 1250, 1400, 1435, 1640, 1750, 2000, 2050, 2296, 2500, 2800, 2870, 3280, 3500, 4100, 4375, 4592, 5000, 5125, 5740, 7000, 7175, 8200, 8750, 10000, 10250, 11480, 14000, 14350, 16400, 17500, 20500, 22960, 25625, 28700, 35000, 35875, 41000, 51250, 57400, 70000, 71750, 82000, 102500, 114800, 143500, 179375, 205000, 287000, 358750, 410000, 574000, 717500, 1435000, 2870000]

約数ペア:

[(1, 2870000), (2, 1435000), (4, 717500), (5, 574000), (7, 410000), (8, 358750), (10, 287000), (14, 205000), (16, 179375), (20, 143500), (25, 114800), (28, 102500), (35, 82000), (40, 71750), (41, 70000), (50, 57400), (56, 51250), (70, 41000), (80, 35875), (82, 35000), (100, 28700), (112, 25625), (125, 22960), (140, 20500), (164, 17500), (175, 16400), (200, 14350), (205, 14000), (250, 11480), (280, 10250), (287, 10000), (328, 8750), (350, 8200), (400, 7175), (410, 7000), (500, 5740), (560, 5125), (574, 5000), (625, 4592), (656, 4375), (700, 4100), (820, 3500), (875, 3280), (1000, 2870), (1025, 2800), (1148, 2500), (1250, 2296), (1400, 2050), (1435, 2000), (1640, 1750)]