1729700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{353}}^1$

素因数の和:381

約数の個数: 54

約数和(自身を含む): 4378626

約数和(自身を除く): 2648926

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 353, 490, 700, 706, 980, 1225, 1412, 1765, 2450, 2471, 3530, 4900, 4942, 7060, 8825, 9884, 12355, 17297, 17650, 24710, 34594, 35300, 49420, 61775, 69188, 86485, 123550, 172970, 247100, 345940, 432425, 864850, 1729700]

約数ペア:

[(1, 1729700), (2, 864850), (4, 432425), (5, 345940), (7, 247100), (10, 172970), (14, 123550), (20, 86485), (25, 69188), (28, 61775), (35, 49420), (49, 35300), (50, 34594), (70, 24710), (98, 17650), (100, 17297), (140, 12355), (175, 9884), (196, 8825), (245, 7060), (350, 4942), (353, 4900), (490, 3530), (700, 2471), (706, 2450), (980, 1765), (1225, 1412)]