2019500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{577}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 5049408

約数和(自身を除く): 3029908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 577, 700, 875, 1154, 1750, 2308, 2885, 3500, 4039, 5770, 8078, 11540, 14425, 16156, 20195, 28850, 40390, 57700, 72125, 80780, 100975, 144250, 201950, 288500, 403900, 504875, 1009750, 2019500]

約数ペア:

[(1, 2019500), (2, 1009750), (4, 504875), (5, 403900), (7, 288500), (10, 201950), (14, 144250), (20, 100975), (25, 80780), (28, 72125), (35, 57700), (50, 40390), (70, 28850), (100, 20195), (125, 16156), (140, 14425), (175, 11540), (250, 8078), (350, 5770), (500, 4039), (577, 3500), (700, 2885), (875, 2308), (1154, 1750)]