71731730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 152347392

約数和(自身を除く): 80615662

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 107, 122, 157, 214, 305, 314, 427, 535, 610, 749, 785, 854, 1070, 1099, 1498, 1570, 2135, 2198, 3745, 4270, 5495, 6527, 7490, 9577, 10990, 13054, 16799, 19154, 32635, 33598, 45689, 47885, 65270, 67039, 83995, 91378, 95770, 117593, 134078, 167990, 228445, 235186, 335195, 456890, 587965, 670390, 1024739, 1175930, 2049478, 5123695, 7173173, 10247390, 14346346, 35865865, 71731730]

約数ペア:

[(1, 71731730), (2, 35865865), (5, 14346346), (7, 10247390), (10, 7173173), (14, 5123695), (35, 2049478), (61, 1175930), (70, 1024739), (107, 670390), (122, 587965), (157, 456890), (214, 335195), (305, 235186), (314, 228445), (427, 167990), (535, 134078), (610, 117593), (749, 95770), (785, 91378), (854, 83995), (1070, 67039), (1099, 65270), (1498, 47885), (1570, 45689), (2135, 33598), (2198, 32635), (3745, 19154), (4270, 16799), (5495, 13054), (6527, 10990), (7490, 9577)]