20176990000

素因数分解:

$2^4\times 5^4\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:417

約数の個数: 200

約数和(自身を含む): 50047042320

約数和(自身を除く): 29870052320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 109, 125, 173, 200, 214, 218, 250, 346, 400, 428, 436, 500, 535, 545, 625, 692, 856, 865, 872, 1000, 1070, 1090, 1250, 1384, 1712, 1730, 1744, 2000, 2140, 2180, 2500, 2675, 2725, 2768, 3460, 4280, 4325, 4360, 5000, 5350, 5450, 6920, 8560, 8650, 8720, 10000, 10700, 10900, 11663, 13375, 13625, 13840, 17300, 18511, 18857, 21400, 21625, 21800, 23326, 26750, 27250, 34600, 37022, 37714, 42800, 43250, 43600, 46652, 53500, 54500, 58315, 66875, 68125, 69200, 74044, 75428, 86500, 92555, 93304, 94285, 107000, 108125, 109000, 116630, 133750, 136250, 148088, 150856, 173000, 185110, 186608, 188570, 214000, 216250, 218000, 233260, 267500, 272500, 291575, 296176, 301712, 346000, 370220, 377140, 432500, 462775, 466520, 471425, 535000, 545000, 583150, 740440, 754280, 865000, 925550, 933040, 942850, 1070000, 1090000, 1166300, 1457875, 1480880, 1508560, 1730000, 1851100, 1885700, 2017699, 2313875, 2332600, 2357125, 2915750, 3702200, 3771400, 4035398, 4627750, 4665200, 4714250, 5831500, 7289375, 7404400, 7542800, 8070796, 9255500, 9428500, 10088495, 11569375, 11663000, 11785625, 14578750, 16141592, 18511000, 18857000, 20176990, 23138750, 23326000, 23571250, 29157500, 32283184, 37022000, 37714000, 40353980, 46277500, 47142500, 50442475, 58315000, 80707960, 92555000, 94285000, 100884950, 116630000, 161415920, 185110000, 188570000, 201769900, 252212375, 403539800, 504424750, 807079600, 1008849500, 1261061875, 2017699000, 2522123750, 4035398000, 5044247500, 10088495000, 20176990000]

約数ペア:

[(1, 20176990000), (2, 10088495000), (4, 5044247500), (5, 4035398000), (8, 2522123750), (10, 2017699000), (16, 1261061875), (20, 1008849500), (25, 807079600), (40, 504424750), (50, 403539800), (80, 252212375), (100, 201769900), (107, 188570000), (109, 185110000), (125, 161415920), (173, 116630000), (200, 100884950), (214, 94285000), (218, 92555000), (250, 80707960), (346, 58315000), (400, 50442475), (428, 47142500), (436, 46277500), (500, 40353980), (535, 37714000), (545, 37022000), (625, 32283184), (692, 29157500), (856, 23571250), (865, 23326000), (872, 23138750), (1000, 20176990), (1070, 18857000), (1090, 18511000), (1250, 16141592), (1384, 14578750), (1712, 11785625), (1730, 11663000), (1744, 11569375), (2000, 10088495), (2140, 9428500), (2180, 9255500), (2500, 8070796), (2675, 7542800), (2725, 7404400), (2768, 7289375), (3460, 5831500), (4280, 4714250), (4325, 4665200), (4360, 4627750), (5000, 4035398), (5350, 3771400), (5450, 3702200), (6920, 2915750), (8560, 2357125), (8650, 2332600), (8720, 2313875), (10000, 2017699), (10700, 1885700), (10900, 1851100), (11663, 1730000), (13375, 1508560), (13625, 1480880), (13840, 1457875), (17300, 1166300), (18511, 1090000), (18857, 1070000), (21400, 942850), (21625, 933040), (21800, 925550), (23326, 865000), (26750, 754280), (27250, 740440), (34600, 583150), (37022, 545000), (37714, 535000), (42800, 471425), (43250, 466520), (43600, 462775), (46652, 432500), (53500, 377140), (54500, 370220), (58315, 346000), (66875, 301712), (68125, 296176), (69200, 291575), (74044, 272500), (75428, 267500), (86500, 233260), (92555, 218000), (93304, 216250), (94285, 214000), (107000, 188570), (108125, 186608), (109000, 185110), (116630, 173000), (133750, 150856), (136250, 148088)]