78607180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{769}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 174636000

約数和(自身を除く): 96028820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 538, 769, 1076, 1345, 1538, 2690, 3076, 3845, 5111, 5380, 7690, 10222, 14611, 15380, 20444, 25555, 29222, 51110, 58444, 73055, 102220, 146110, 206861, 292220, 413722, 827444, 1034305, 2068610, 3930359, 4137220, 7860718, 15721436, 19651795, 39303590, 78607180]

約数ペア:

[(1, 78607180), (2, 39303590), (4, 19651795), (5, 15721436), (10, 7860718), (19, 4137220), (20, 3930359), (38, 2068610), (76, 1034305), (95, 827444), (190, 413722), (269, 292220), (380, 206861), (538, 146110), (769, 102220), (1076, 73055), (1345, 58444), (1538, 51110), (2690, 29222), (3076, 25555), (3845, 20444), (5111, 15380), (5380, 14611), (7690, 10222)]