1280125

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:59

約数の個数: 48

約数和(自身を含む): 2134080

約数和(自身を除く): 853955

約数列:

[1, 5, 7, 11, 19, 25, 35, 49, 55, 77, 95, 125, 133, 175, 209, 245, 275, 385, 475, 539, 665, 875, 931, 1045, 1225, 1375, 1463, 1925, 2375, 2695, 3325, 4655, 5225, 6125, 7315, 9625, 10241, 13475, 16625, 23275, 26125, 36575, 51205, 67375, 116375, 182875, 256025, 1280125]

約数ペア:

[(1, 1280125), (5, 256025), (7, 182875), (11, 116375), (19, 67375), (25, 51205), (35, 36575), (49, 26125), (55, 23275), (77, 16625), (95, 13475), (125, 10241), (133, 9625), (175, 7315), (209, 6125), (245, 5225), (275, 4655), (385, 3325), (475, 2695), (539, 2375), (665, 1925), (875, 1463), (931, 1375), (1045, 1225)]