208428500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 573640704

約数和(自身を除く): 365212204

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 31, 34, 35, 50, 62, 68, 70, 85, 100, 113, 119, 124, 125, 140, 155, 170, 175, 217, 226, 238, 250, 310, 340, 350, 425, 434, 452, 476, 500, 527, 565, 595, 620, 700, 775, 791, 850, 868, 875, 1054, 1085, 1130, 1190, 1550, 1582, 1700, 1750, 1921, 2108, 2125, 2170, 2260, 2380, 2635, 2825, 2975, 3100, 3164, 3500, 3503, 3689, 3842, 3875, 3955, 4250, 4340, 5270, 5425, 5650, 5950, 7006, 7378, 7684, 7750, 7910, 8500, 9605, 10540, 10850, 11300, 11900, 13175, 13447, 14012, 14125, 14756, 14875, 15500, 15820, 17515, 18445, 19210, 19775, 21700, 24521, 26350, 26894, 27125, 28250, 29750, 35030, 36890, 38420, 39550, 48025, 49042, 52700, 53788, 54250, 56500, 59500, 59551, 65875, 67235, 70060, 73780, 79100, 87575, 92225, 96050, 98084, 98875, 108500, 119102, 122605, 131750, 134470, 175150, 184450, 192100, 197750, 238204, 240125, 245210, 263500, 268940, 297755, 336175, 350300, 368900, 395500, 416857, 437875, 461125, 480250, 490420, 595510, 613025, 672350, 833714, 875750, 922250, 960500, 1191020, 1226050, 1344700, 1488775, 1667428, 1680875, 1751500, 1844500, 2084285, 2452100, 2977550, 3065125, 3361750, 4168570, 5955100, 6130250, 6723500, 7443875, 8337140, 10421425, 12260500, 14887750, 20842850, 29775500, 41685700, 52107125, 104214250, 208428500]

約数ペア:

[(1, 208428500), (2, 104214250), (4, 52107125), (5, 41685700), (7, 29775500), (10, 20842850), (14, 14887750), (17, 12260500), (20, 10421425), (25, 8337140), (28, 7443875), (31, 6723500), (34, 6130250), (35, 5955100), (50, 4168570), (62, 3361750), (68, 3065125), (70, 2977550), (85, 2452100), (100, 2084285), (113, 1844500), (119, 1751500), (124, 1680875), (125, 1667428), (140, 1488775), (155, 1344700), (170, 1226050), (175, 1191020), (217, 960500), (226, 922250), (238, 875750), (250, 833714), (310, 672350), (340, 613025), (350, 595510), (425, 490420), (434, 480250), (452, 461125), (476, 437875), (500, 416857), (527, 395500), (565, 368900), (595, 350300), (620, 336175), (700, 297755), (775, 268940), (791, 263500), (850, 245210), (868, 240125), (875, 238204), (1054, 197750), (1085, 192100), (1130, 184450), (1190, 175150), (1550, 134470), (1582, 131750), (1700, 122605), (1750, 119102), (1921, 108500), (2108, 98875), (2125, 98084), (2170, 96050), (2260, 92225), (2380, 87575), (2635, 79100), (2825, 73780), (2975, 70060), (3100, 67235), (3164, 65875), (3500, 59551), (3503, 59500), (3689, 56500), (3842, 54250), (3875, 53788), (3955, 52700), (4250, 49042), (4340, 48025), (5270, 39550), (5425, 38420), (5650, 36890), (5950, 35030), (7006, 29750), (7378, 28250), (7684, 27125), (7750, 26894), (7910, 26350), (8500, 24521), (9605, 21700), (10540, 19775), (10850, 19210), (11300, 18445), (11900, 17515), (13175, 15820), (13447, 15500), (14012, 14875), (14125, 14756)]