2120804500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{90247}}^1$

素因数の和:90313

約数の個数: 48

約数和(自身を含む): 4730439168

約数和(自身を除く): 2609634668

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 235, 250, 470, 500, 940, 1175, 2350, 4700, 5875, 11750, 23500, 90247, 180494, 360988, 451235, 902470, 1804940, 2256175, 4241609, 4512350, 8483218, 9024700, 11280875, 16966436, 21208045, 22561750, 42416090, 45123500, 84832180, 106040225, 212080450, 424160900, 530201125, 1060402250, 2120804500]

約数ペア:

[(1, 2120804500), (2, 1060402250), (4, 530201125), (5, 424160900), (10, 212080450), (20, 106040225), (25, 84832180), (47, 45123500), (50, 42416090), (94, 22561750), (100, 21208045), (125, 16966436), (188, 11280875), (235, 9024700), (250, 8483218), (470, 4512350), (500, 4241609), (940, 2256175), (1175, 1804940), (2350, 902470), (4700, 451235), (5875, 360988), (11750, 180494), (23500, 90247)]