209231400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1664

約数の個数: 192

約数和(自身を含む): 765665280

約数和(自身を除く): 556433880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 50, 56, 60, 62, 70, 75, 84, 93, 100, 105, 120, 124, 140, 150, 155, 168, 175, 186, 200, 210, 217, 248, 280, 300, 310, 350, 372, 420, 434, 465, 525, 600, 620, 651, 700, 744, 775, 840, 868, 930, 1050, 1085, 1240, 1302, 1400, 1550, 1607, 1736, 1860, 2100, 2170, 2325, 2604, 3100, 3214, 3255, 3720, 4200, 4340, 4650, 4821, 5208, 5425, 6200, 6428, 6510, 8035, 8680, 9300, 9642, 10850, 11249, 12856, 13020, 16070, 16275, 18600, 19284, 21700, 22498, 24105, 26040, 32140, 32550, 33747, 38568, 40175, 43400, 44996, 48210, 49817, 56245, 64280, 65100, 67494, 80350, 89992, 96420, 99634, 112490, 120525, 130200, 134988, 149451, 160700, 168735, 192840, 199268, 224980, 241050, 249085, 269976, 281225, 298902, 321400, 337470, 348719, 398536, 449960, 482100, 498170, 562450, 597804, 674940, 697438, 747255, 843675, 964200, 996340, 1046157, 1124900, 1195608, 1245425, 1349880, 1394876, 1494510, 1687350, 1743595, 1992680, 2092314, 2249800, 2490850, 2789752, 2989020, 3374700, 3487190, 3736275, 4184628, 4981700, 5230785, 5978040, 6749400, 6974380, 7472550, 8369256, 8717975, 9963400, 10461570, 13948760, 14945100, 17435950, 20923140, 26153925, 29890200, 34871900, 41846280, 52307850, 69743800, 104615700, 209231400]

約数ペア:

[(1, 209231400), (2, 104615700), (3, 69743800), (4, 52307850), (5, 41846280), (6, 34871900), (7, 29890200), (8, 26153925), (10, 20923140), (12, 17435950), (14, 14945100), (15, 13948760), (20, 10461570), (21, 9963400), (24, 8717975), (25, 8369256), (28, 7472550), (30, 6974380), (31, 6749400), (35, 5978040), (40, 5230785), (42, 4981700), (50, 4184628), (56, 3736275), (60, 3487190), (62, 3374700), (70, 2989020), (75, 2789752), (84, 2490850), (93, 2249800), (100, 2092314), (105, 1992680), (120, 1743595), (124, 1687350), (140, 1494510), (150, 1394876), (155, 1349880), (168, 1245425), (175, 1195608), (186, 1124900), (200, 1046157), (210, 996340), (217, 964200), (248, 843675), (280, 747255), (300, 697438), (310, 674940), (350, 597804), (372, 562450), (420, 498170), (434, 482100), (465, 449960), (525, 398536), (600, 348719), (620, 337470), (651, 321400), (700, 298902), (744, 281225), (775, 269976), (840, 249085), (868, 241050), (930, 224980), (1050, 199268), (1085, 192840), (1240, 168735), (1302, 160700), (1400, 149451), (1550, 134988), (1607, 130200), (1736, 120525), (1860, 112490), (2100, 99634), (2170, 96420), (2325, 89992), (2604, 80350), (3100, 67494), (3214, 65100), (3255, 64280), (3720, 56245), (4200, 49817), (4340, 48210), (4650, 44996), (4821, 43400), (5208, 40175), (5425, 38568), (6200, 33747), (6428, 32550), (6510, 32140), (8035, 26040), (8680, 24105), (9300, 22498), (9642, 21700), (10850, 19284), (11249, 18600), (12856, 16275), (13020, 16070)]