207978986075

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:2006

約数の個数: 144

約数和(自身を含む): 327242180160

約数和(自身を除く): 119263194085

約数列:

[1, 5, 7, 19, 25, 29, 35, 61, 95, 133, 145, 175, 203, 305, 361, 427, 475, 551, 665, 725, 1015, 1159, 1525, 1769, 1805, 1861, 2135, 2527, 2755, 3325, 3857, 5075, 5795, 8113, 8845, 9025, 9305, 10469, 10675, 12383, 12635, 13027, 13775, 19285, 22021, 28975, 33611, 35359, 40565, 44225, 46525, 52345, 53969, 61915, 63175, 65135, 73283, 96425, 110105, 113521, 154147, 168055, 176795, 202825, 235277, 247513, 261725, 269845, 309575, 325675, 366415, 377783, 550525, 567605, 638609, 671821, 770735, 794647, 840275, 883975, 1025411, 1176385, 1237565, 1349225, 1832075, 1888915, 2156899, 2838025, 3193045, 3292109, 3359105, 3853675, 3973235, 4470263, 4702747, 5127055, 5881925, 6187825, 7177877, 9444575, 10784495, 15098293, 15965225, 16460545, 16795525, 19482809, 19866175, 22351315, 23044763, 23513735, 25635275, 35889385, 40981081, 53922475, 62550071, 75491465, 82302725, 97414045, 111756575, 115223815, 117568675, 136379663, 179446925, 204905405, 286867567, 312750355, 377457325, 437850497, 487070225, 576119075, 681898315, 1024527025, 1188451349, 1434337835, 1563751775, 2189252485, 3409491575, 5942256745, 7171689175, 8319159443, 10946262425, 29711283725, 41595797215, 207978986075]

約数ペア:

[(1, 207978986075), (5, 41595797215), (7, 29711283725), (19, 10946262425), (25, 8319159443), (29, 7171689175), (35, 5942256745), (61, 3409491575), (95, 2189252485), (133, 1563751775), (145, 1434337835), (175, 1188451349), (203, 1024527025), (305, 681898315), (361, 576119075), (427, 487070225), (475, 437850497), (551, 377457325), (665, 312750355), (725, 286867567), (1015, 204905405), (1159, 179446925), (1525, 136379663), (1769, 117568675), (1805, 115223815), (1861, 111756575), (2135, 97414045), (2527, 82302725), (2755, 75491465), (3325, 62550071), (3857, 53922475), (5075, 40981081), (5795, 35889385), (8113, 25635275), (8845, 23513735), (9025, 23044763), (9305, 22351315), (10469, 19866175), (10675, 19482809), (12383, 16795525), (12635, 16460545), (13027, 15965225), (13775, 15098293), (19285, 10784495), (22021, 9444575), (28975, 7177877), (33611, 6187825), (35359, 5881925), (40565, 5127055), (44225, 4702747), (46525, 4470263), (52345, 3973235), (53969, 3853675), (61915, 3359105), (63175, 3292109), (65135, 3193045), (73283, 2838025), (96425, 2156899), (110105, 1888915), (113521, 1832075), (154147, 1349225), (168055, 1237565), (176795, 1176385), (202825, 1025411), (235277, 883975), (247513, 840275), (261725, 794647), (269845, 770735), (309575, 671821), (325675, 638609), (366415, 567605), (377783, 550525)]