19900300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28429}}^1$

素因数の和:28450

約数の個数: 36

約数和(自身を含む): 49354480

約数和(自身を除く): 29454180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28429, 56858, 113716, 142145, 199003, 284290, 398006, 568580, 710725, 796012, 995015, 1421450, 1990030, 2842900, 3980060, 4975075, 9950150, 19900300]

約数ペア:

[(1, 19900300), (2, 9950150), (4, 4975075), (5, 3980060), (7, 2842900), (10, 1990030), (14, 1421450), (20, 995015), (25, 796012), (28, 710725), (35, 568580), (50, 398006), (70, 284290), (100, 199003), (140, 142145), (175, 113716), (350, 56858), (700, 28429)]