287000

素因数分解:

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

素因数の和:69

約数の個数: 64

約数和(自身を含む): 786240

約数和(自身を除く): 499240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 50, 56, 70, 82, 100, 125, 140, 164, 175, 200, 205, 250, 280, 287, 328, 350, 410, 500, 574, 700, 820, 875, 1000, 1025, 1148, 1400, 1435, 1640, 1750, 2050, 2296, 2870, 3500, 4100, 5125, 5740, 7000, 7175, 8200, 10250, 11480, 14350, 20500, 28700, 35875, 41000, 57400, 71750, 143500, 287000]

約数ペア:

[(1, 287000), (2, 143500), (4, 71750), (5, 57400), (7, 41000), (8, 35875), (10, 28700), (14, 20500), (20, 14350), (25, 11480), (28, 10250), (35, 8200), (40, 7175), (41, 7000), (50, 5740), (56, 5125), (70, 4100), (82, 3500), (100, 2870), (125, 2296), (140, 2050), (164, 1750), (175, 1640), (200, 1435), (205, 1400), (250, 1148), (280, 1025), (287, 1000), (328, 875), (350, 820), (410, 700), (500, 574)]