2804725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 4571136

約数和(自身を除く): 1766411

約数列:

[1, 5, 7, 11, 25, 31, 35, 47, 55, 77, 155, 175, 217, 235, 275, 329, 341, 385, 517, 775, 1085, 1175, 1457, 1645, 1705, 1925, 2387, 2585, 3619, 5425, 7285, 8225, 8525, 10199, 11935, 12925, 16027, 18095, 36425, 50995, 59675, 80135, 90475, 112189, 254975, 400675, 560945, 2804725]

約数ペア:

[(1, 2804725), (5, 560945), (7, 400675), (11, 254975), (25, 112189), (31, 90475), (35, 80135), (47, 59675), (55, 50995), (77, 36425), (155, 18095), (175, 16027), (217, 12925), (235, 11935), (275, 10199), (329, 8525), (341, 8225), (385, 7285), (517, 5425), (775, 3619), (1085, 2585), (1175, 2387), (1457, 1925), (1645, 1705)]