19905200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7109}}^1$

素因数の和:7134

約数の個数: 60

約数和(自身を含む): 54661680

約数和(自身を除く): 34756480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7109, 14218, 28436, 35545, 49763, 56872, 71090, 99526, 113744, 142180, 177725, 199052, 248815, 284360, 355450, 398104, 497630, 568720, 710900, 796208, 995260, 1244075, 1421800, 1990520, 2488150, 2843600, 3981040, 4976300, 9952600, 19905200]

約数ペア:

[(1, 19905200), (2, 9952600), (4, 4976300), (5, 3981040), (7, 2843600), (8, 2488150), (10, 1990520), (14, 1421800), (16, 1244075), (20, 995260), (25, 796208), (28, 710900), (35, 568720), (40, 497630), (50, 398104), (56, 355450), (70, 284360), (80, 248815), (100, 199052), (112, 177725), (140, 142180), (175, 113744), (200, 99526), (280, 71090), (350, 56872), (400, 49763), (560, 35545), (700, 28436), (1400, 14218), (2800, 7109)]