189893375

素因数分解:

$5^3\times 7^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 285542400

約数和(自身を除く): 95649025

約数列:

[1, 5, 7, 25, 35, 43, 49, 103, 125, 175, 215, 245, 301, 343, 515, 721, 875, 1075, 1225, 1505, 1715, 2107, 2575, 3605, 4429, 5047, 5375, 6125, 7525, 8575, 10535, 12875, 14749, 18025, 22145, 25235, 31003, 35329, 37625, 42875, 52675, 73745, 90125, 110725, 126175, 155015, 176645, 217021, 263375, 368725, 553625, 630875, 775075, 883225, 1085105, 1519147, 1843625, 3875375, 4416125, 5425525, 7595735, 27127625, 37978675, 189893375]

約数ペア:

[(1, 189893375), (5, 37978675), (7, 27127625), (25, 7595735), (35, 5425525), (43, 4416125), (49, 3875375), (103, 1843625), (125, 1519147), (175, 1085105), (215, 883225), (245, 775075), (301, 630875), (343, 553625), (515, 368725), (721, 263375), (875, 217021), (1075, 176645), (1225, 155015), (1505, 126175), (1715, 110725), (2107, 90125), (2575, 73745), (3605, 52675), (4429, 42875), (5047, 37625), (5375, 35329), (6125, 31003), (7525, 25235), (8575, 22145), (10535, 18025), (12875, 14749)]