4018000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{41}}^1$

素因数の和:78

約数の個数: 120

約数和(自身を含む): 11577384

約数和(自身を除く): 7559384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 80, 82, 98, 100, 112, 125, 140, 164, 175, 196, 200, 205, 245, 250, 280, 287, 328, 350, 392, 400, 410, 490, 500, 560, 574, 656, 700, 784, 820, 875, 980, 1000, 1025, 1148, 1225, 1400, 1435, 1640, 1750, 1960, 2000, 2009, 2050, 2296, 2450, 2800, 2870, 3280, 3500, 3920, 4018, 4100, 4592, 4900, 5125, 5740, 6125, 7000, 7175, 8036, 8200, 9800, 10045, 10250, 11480, 12250, 14000, 14350, 16072, 16400, 19600, 20090, 20500, 22960, 24500, 28700, 32144, 35875, 40180, 41000, 49000, 50225, 57400, 71750, 80360, 82000, 98000, 100450, 114800, 143500, 160720, 200900, 251125, 287000, 401800, 502250, 574000, 803600, 1004500, 2009000, 4018000]

約数ペア:

[(1, 4018000), (2, 2009000), (4, 1004500), (5, 803600), (7, 574000), (8, 502250), (10, 401800), (14, 287000), (16, 251125), (20, 200900), (25, 160720), (28, 143500), (35, 114800), (40, 100450), (41, 98000), (49, 82000), (50, 80360), (56, 71750), (70, 57400), (80, 50225), (82, 49000), (98, 41000), (100, 40180), (112, 35875), (125, 32144), (140, 28700), (164, 24500), (175, 22960), (196, 20500), (200, 20090), (205, 19600), (245, 16400), (250, 16072), (280, 14350), (287, 14000), (328, 12250), (350, 11480), (392, 10250), (400, 10045), (410, 9800), (490, 8200), (500, 8036), (560, 7175), (574, 7000), (656, 6125), (700, 5740), (784, 5125), (820, 4900), (875, 4592), (980, 4100), (1000, 4018), (1025, 3920), (1148, 3500), (1225, 3280), (1400, 2870), (1435, 2800), (1640, 2450), (1750, 2296), (1960, 2050), (2000, 2009)]