998900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{1427}}^1$

素因数の和:1448

約数の個数: 36

約数和(自身を含む): 2479008

約数和(自身を除く): 1480108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 1427, 2854, 5708, 7135, 9989, 14270, 19978, 28540, 35675, 39956, 49945, 71350, 99890, 142700, 199780, 249725, 499450, 998900]

約数ペア:

[(1, 998900), (2, 499450), (4, 249725), (5, 199780), (7, 142700), (10, 99890), (14, 71350), (20, 49945), (25, 39956), (28, 35675), (35, 28540), (50, 19978), (70, 14270), (100, 9989), (140, 7135), (175, 5708), (350, 2854), (700, 1427)]