3489500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{997}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 8718528

約数和(自身を除く): 5229028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 997, 1750, 1994, 3500, 3988, 4985, 6979, 9970, 13958, 19940, 24925, 27916, 34895, 49850, 69790, 99700, 124625, 139580, 174475, 249250, 348950, 498500, 697900, 872375, 1744750, 3489500]

約数ペア:

[(1, 3489500), (2, 1744750), (4, 872375), (5, 697900), (7, 498500), (10, 348950), (14, 249250), (20, 174475), (25, 139580), (28, 124625), (35, 99700), (50, 69790), (70, 49850), (100, 34895), (125, 27916), (140, 24925), (175, 19940), (250, 13958), (350, 9970), (500, 6979), (700, 4985), (875, 3988), (997, 3500), (1750, 1994)]