217000175

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3769}}^1$

素因数の和:3840

約数の個数: 36

約数和(自身を含む): 319756320

約数和(自身を除く): 102756145

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 1175, 1225, 1645, 2303, 3769, 8225, 11515, 18845, 26383, 57575, 94225, 131915, 177143, 184681, 659575, 885715, 923405, 1240001, 4428575, 4617025, 6200005, 8680007, 31000025, 43400035, 217000175]

約数ペア:

[(1, 217000175), (5, 43400035), (7, 31000025), (25, 8680007), (35, 6200005), (47, 4617025), (49, 4428575), (175, 1240001), (235, 923405), (245, 885715), (329, 659575), (1175, 184681), (1225, 177143), (1645, 131915), (2303, 94225), (3769, 57575), (8225, 26383), (11515, 18845)]