49903000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{7129}}^1$

素因数の和:7157

約数の個数: 64

約数和(自身を含む): 133473600

約数和(自身を除く): 83570600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 7129, 14258, 28516, 35645, 49903, 57032, 71290, 99806, 142580, 178225, 199612, 249515, 285160, 356450, 399224, 499030, 712900, 891125, 998060, 1247575, 1425800, 1782250, 1996120, 2495150, 3564500, 4990300, 6237875, 7129000, 9980600, 12475750, 24951500, 49903000]

約数ペア:

[(1, 49903000), (2, 24951500), (4, 12475750), (5, 9980600), (7, 7129000), (8, 6237875), (10, 4990300), (14, 3564500), (20, 2495150), (25, 1996120), (28, 1782250), (35, 1425800), (40, 1247575), (50, 998060), (56, 891125), (70, 712900), (100, 499030), (125, 399224), (140, 356450), (175, 285160), (200, 249515), (250, 199612), (280, 178225), (350, 142580), (500, 99806), (700, 71290), (875, 57032), (1000, 49903), (1400, 35645), (1750, 28516), (3500, 14258), (7000, 7129)]