51015580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 135055872

約数和(自身を除く): 84040292

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 157, 211, 220, 308, 314, 385, 422, 628, 770, 785, 844, 1055, 1099, 1477, 1540, 1570, 1727, 2110, 2198, 2321, 2954, 3140, 3454, 4220, 4396, 4642, 5495, 5908, 6908, 7385, 8635, 9284, 10990, 11605, 12089, 14770, 16247, 17270, 21980, 23210, 24178, 29540, 32494, 33127, 34540, 46420, 48356, 60445, 64988, 66254, 81235, 120890, 132508, 162470, 165635, 231889, 241780, 324940, 331270, 364397, 463778, 662540, 728794, 927556, 1159445, 1457588, 1821985, 2318890, 2550779, 3643970, 4637780, 5101558, 7287940, 10203116, 12753895, 25507790, 51015580]

約数ペア:

[(1, 51015580), (2, 25507790), (4, 12753895), (5, 10203116), (7, 7287940), (10, 5101558), (11, 4637780), (14, 3643970), (20, 2550779), (22, 2318890), (28, 1821985), (35, 1457588), (44, 1159445), (55, 927556), (70, 728794), (77, 662540), (110, 463778), (140, 364397), (154, 331270), (157, 324940), (211, 241780), (220, 231889), (308, 165635), (314, 162470), (385, 132508), (422, 120890), (628, 81235), (770, 66254), (785, 64988), (844, 60445), (1055, 48356), (1099, 46420), (1477, 34540), (1540, 33127), (1570, 32494), (1727, 29540), (2110, 24178), (2198, 23210), (2321, 21980), (2954, 17270), (3140, 16247), (3454, 14770), (4220, 12089), (4396, 11605), (4642, 10990), (5495, 9284), (5908, 8635), (6908, 7385)]