2129984575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 2839389696

約数和(自身を除く): 709405121

約数列:

[1, 5, 23, 25, 43, 115, 215, 277, 311, 575, 989, 1075, 1385, 1555, 4945, 6371, 6925, 7153, 7775, 11911, 13373, 24725, 31855, 35765, 59555, 66865, 86147, 159275, 178825, 273953, 297775, 307579, 334325, 430735, 1369765, 1537895, 1981381, 2153675, 3704321, 6848825, 7689475, 9906905, 18521605, 49534525, 85199383, 92608025, 425996915, 2129984575]

約数ペア:

[(1, 2129984575), (5, 425996915), (23, 92608025), (25, 85199383), (43, 49534525), (115, 18521605), (215, 9906905), (277, 7689475), (311, 6848825), (575, 3704321), (989, 2153675), (1075, 1981381), (1385, 1537895), (1555, 1369765), (4945, 430735), (6371, 334325), (6925, 307579), (7153, 297775), (7775, 273953), (11911, 178825), (13373, 159275), (24725, 86147), (31855, 66865), (35765, 59555)]