210490000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 200

約数和(自身を含む): 607405568

約数和(自身を除く): 396915568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 97, 100, 112, 124, 125, 140, 155, 175, 194, 200, 217, 248, 250, 280, 310, 350, 388, 400, 434, 485, 496, 500, 560, 620, 625, 679, 700, 775, 776, 868, 875, 970, 1000, 1085, 1240, 1250, 1358, 1400, 1550, 1552, 1736, 1750, 1940, 2000, 2170, 2425, 2480, 2500, 2716, 2800, 3007, 3100, 3395, 3472, 3500, 3875, 3880, 4340, 4375, 4850, 5000, 5425, 5432, 6014, 6200, 6790, 7000, 7750, 7760, 8680, 8750, 9700, 10000, 10850, 10864, 12028, 12125, 12400, 13580, 14000, 15035, 15500, 16975, 17360, 17500, 19375, 19400, 21049, 21700, 24056, 24250, 27125, 27160, 30070, 31000, 33950, 35000, 38750, 38800, 42098, 43400, 48112, 48500, 54250, 54320, 60140, 60625, 62000, 67900, 70000, 75175, 77500, 84196, 84875, 86800, 97000, 105245, 108500, 120280, 121250, 135625, 135800, 150350, 155000, 168392, 169750, 194000, 210490, 217000, 240560, 242500, 271250, 271600, 300700, 310000, 336784, 339500, 375875, 420980, 424375, 434000, 485000, 526225, 542500, 601400, 679000, 751750, 841960, 848750, 970000, 1052450, 1085000, 1202800, 1358000, 1503500, 1683920, 1697500, 1879375, 2104900, 2170000, 2631125, 3007000, 3395000, 3758750, 4209800, 5262250, 6014000, 6790000, 7517500, 8419600, 10524500, 13155625, 15035000, 21049000, 26311250, 30070000, 42098000, 52622500, 105245000, 210490000]

約数ペア:

[(1, 210490000), (2, 105245000), (4, 52622500), (5, 42098000), (7, 30070000), (8, 26311250), (10, 21049000), (14, 15035000), (16, 13155625), (20, 10524500), (25, 8419600), (28, 7517500), (31, 6790000), (35, 6014000), (40, 5262250), (50, 4209800), (56, 3758750), (62, 3395000), (70, 3007000), (80, 2631125), (97, 2170000), (100, 2104900), (112, 1879375), (124, 1697500), (125, 1683920), (140, 1503500), (155, 1358000), (175, 1202800), (194, 1085000), (200, 1052450), (217, 970000), (248, 848750), (250, 841960), (280, 751750), (310, 679000), (350, 601400), (388, 542500), (400, 526225), (434, 485000), (485, 434000), (496, 424375), (500, 420980), (560, 375875), (620, 339500), (625, 336784), (679, 310000), (700, 300700), (775, 271600), (776, 271250), (868, 242500), (875, 240560), (970, 217000), (1000, 210490), (1085, 194000), (1240, 169750), (1250, 168392), (1358, 155000), (1400, 150350), (1550, 135800), (1552, 135625), (1736, 121250), (1750, 120280), (1940, 108500), (2000, 105245), (2170, 97000), (2425, 86800), (2480, 84875), (2500, 84196), (2716, 77500), (2800, 75175), (3007, 70000), (3100, 67900), (3395, 62000), (3472, 60625), (3500, 60140), (3875, 54320), (3880, 54250), (4340, 48500), (4375, 48112), (4850, 43400), (5000, 42098), (5425, 38800), (5432, 38750), (6014, 35000), (6200, 33950), (6790, 31000), (7000, 30070), (7750, 27160), (7760, 27125), (8680, 24250), (8750, 24056), (9700, 21700), (10000, 21049), (10850, 19400), (10864, 19375), (12028, 17500), (12125, 17360), (12400, 16975), (13580, 15500), (14000, 15035)]