280881567125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:1060

約数の個数: 128

約数和(自身を含む): 399823257600

約数和(自身を除く): 118941690475

約数列:

[1, 5, 17, 19, 25, 79, 85, 95, 107, 125, 323, 395, 425, 475, 535, 823, 1343, 1501, 1615, 1819, 1975, 2033, 2125, 2375, 2675, 4115, 6715, 7505, 8075, 8453, 9095, 9875, 10165, 13375, 13991, 15637, 20575, 25517, 33575, 34561, 37525, 40375, 42265, 45475, 50825, 65017, 69955, 78185, 88061, 102875, 127585, 143701, 160607, 167875, 172805, 187625, 211325, 227375, 254125, 265829, 325085, 349775, 390925, 440305, 637925, 718505, 803035, 864025, 1056625, 1105289, 1235323, 1329145, 1497037, 1625425, 1673159, 1748875, 1954625, 2201525, 2730319, 3189625, 3592525, 4015175, 4320125, 5526445, 6176615, 6645725, 6956819, 7485185, 8127125, 8365795, 11007625, 13651595, 17962625, 20075875, 21000491, 27632225, 28443703, 30883075, 33228625, 34784095, 37425925, 41828975, 68257975, 105002455, 118265923, 132179561, 138161125, 142218515, 154415375, 173920475, 187129625, 209144875, 341289875, 525012275, 591329615, 660897805, 711092575, 869602375, 2247052537, 2625061375, 2956648075, 3304489025, 3555462875, 11235262685, 14783240375, 16522445125, 56176313425, 280881567125]

約数ペア:

[(1, 280881567125), (5, 56176313425), (17, 16522445125), (19, 14783240375), (25, 11235262685), (79, 3555462875), (85, 3304489025), (95, 2956648075), (107, 2625061375), (125, 2247052537), (323, 869602375), (395, 711092575), (425, 660897805), (475, 591329615), (535, 525012275), (823, 341289875), (1343, 209144875), (1501, 187129625), (1615, 173920475), (1819, 154415375), (1975, 142218515), (2033, 138161125), (2125, 132179561), (2375, 118265923), (2675, 105002455), (4115, 68257975), (6715, 41828975), (7505, 37425925), (8075, 34784095), (8453, 33228625), (9095, 30883075), (9875, 28443703), (10165, 27632225), (13375, 21000491), (13991, 20075875), (15637, 17962625), (20575, 13651595), (25517, 11007625), (33575, 8365795), (34561, 8127125), (37525, 7485185), (40375, 6956819), (42265, 6645725), (45475, 6176615), (50825, 5526445), (65017, 4320125), (69955, 4015175), (78185, 3592525), (88061, 3189625), (102875, 2730319), (127585, 2201525), (143701, 1954625), (160607, 1748875), (167875, 1673159), (172805, 1625425), (187625, 1497037), (211325, 1329145), (227375, 1235323), (254125, 1105289), (265829, 1056625), (325085, 864025), (349775, 803035), (390925, 718505), (440305, 637925)]