320423675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 476969472

約数和(自身を除く): 156545797

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 143, 235, 275, 325, 517, 611, 715, 1175, 1907, 2585, 3055, 3575, 6721, 9535, 12925, 15275, 20977, 24791, 33605, 47675, 89629, 104885, 123955, 168025, 272701, 448145, 524425, 619775, 985919, 1165177, 1363505, 2240725, 4929595, 5825885, 6817525, 12816947, 24647975, 29129425, 64084735, 320423675]

約数ペア:

[(1, 320423675), (5, 64084735), (11, 29129425), (13, 24647975), (25, 12816947), (47, 6817525), (55, 5825885), (65, 4929595), (143, 2240725), (235, 1363505), (275, 1165177), (325, 985919), (517, 619775), (611, 524425), (715, 448145), (1175, 272701), (1907, 168025), (2585, 123955), (3055, 104885), (3575, 89629), (6721, 47675), (9535, 33605), (12925, 24791), (15275, 20977)]