208940000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:398

約数の個数: 120

約数和(自身を含む): 532179648

約数和(自身を除く): 323239648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 337, 400, 496, 500, 620, 625, 674, 775, 800, 992, 1000, 1240, 1250, 1348, 1550, 1685, 2000, 2480, 2500, 2696, 3100, 3370, 3875, 4000, 4960, 5000, 5392, 6200, 6740, 7750, 8425, 10000, 10447, 10784, 12400, 13480, 15500, 16850, 19375, 20000, 20894, 24800, 26960, 31000, 33700, 38750, 41788, 42125, 52235, 53920, 62000, 67400, 77500, 83576, 84250, 104470, 124000, 134800, 155000, 167152, 168500, 208940, 210625, 261175, 269600, 310000, 334304, 337000, 417880, 421250, 522350, 620000, 674000, 835760, 842500, 1044700, 1305875, 1348000, 1671520, 1685000, 2089400, 2611750, 3370000, 4178800, 5223500, 6529375, 6740000, 8357600, 10447000, 13058750, 20894000, 26117500, 41788000, 52235000, 104470000, 208940000]

約数ペア:

[(1, 208940000), (2, 104470000), (4, 52235000), (5, 41788000), (8, 26117500), (10, 20894000), (16, 13058750), (20, 10447000), (25, 8357600), (31, 6740000), (32, 6529375), (40, 5223500), (50, 4178800), (62, 3370000), (80, 2611750), (100, 2089400), (124, 1685000), (125, 1671520), (155, 1348000), (160, 1305875), (200, 1044700), (248, 842500), (250, 835760), (310, 674000), (337, 620000), (400, 522350), (496, 421250), (500, 417880), (620, 337000), (625, 334304), (674, 310000), (775, 269600), (800, 261175), (992, 210625), (1000, 208940), (1240, 168500), (1250, 167152), (1348, 155000), (1550, 134800), (1685, 124000), (2000, 104470), (2480, 84250), (2500, 83576), (2696, 77500), (3100, 67400), (3370, 62000), (3875, 53920), (4000, 52235), (4960, 42125), (5000, 41788), (5392, 38750), (6200, 33700), (6740, 31000), (7750, 26960), (8425, 24800), (10000, 20894), (10447, 20000), (10784, 19375), (12400, 16850), (13480, 15500)]