256218900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7177}}^1$

素因数の和:7218

約数の個数: 144

約数和(自身を含む): 897192576

約数和(自身を除く): 640973676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 140, 150, 170, 175, 204, 210, 238, 255, 300, 340, 350, 357, 420, 425, 476, 510, 525, 595, 700, 714, 850, 1020, 1050, 1190, 1275, 1428, 1700, 1785, 2100, 2380, 2550, 2975, 3570, 5100, 5950, 7140, 7177, 8925, 11900, 14354, 17850, 21531, 28708, 35700, 35885, 43062, 50239, 71770, 86124, 100478, 107655, 122009, 143540, 150717, 179425, 200956, 215310, 244018, 251195, 301434, 358850, 366027, 430620, 488036, 502390, 538275, 602868, 610045, 717700, 732054, 753585, 854063, 1004780, 1076550, 1220090, 1255975, 1464108, 1507170, 1708126, 1830135, 2153100, 2440180, 2511950, 2562189, 3014340, 3050225, 3416252, 3660270, 3767925, 4270315, 5023900, 5124378, 6100450, 7320540, 7535850, 8540630, 9150675, 10248756, 12200900, 12810945, 15071700, 17081260, 18301350, 21351575, 25621890, 36602700, 42703150, 51243780, 64054725, 85406300, 128109450, 256218900]

約数ペア:

[(1, 256218900), (2, 128109450), (3, 85406300), (4, 64054725), (5, 51243780), (6, 42703150), (7, 36602700), (10, 25621890), (12, 21351575), (14, 18301350), (15, 17081260), (17, 15071700), (20, 12810945), (21, 12200900), (25, 10248756), (28, 9150675), (30, 8540630), (34, 7535850), (35, 7320540), (42, 6100450), (50, 5124378), (51, 5023900), (60, 4270315), (68, 3767925), (70, 3660270), (75, 3416252), (84, 3050225), (85, 3014340), (100, 2562189), (102, 2511950), (105, 2440180), (119, 2153100), (140, 1830135), (150, 1708126), (170, 1507170), (175, 1464108), (204, 1255975), (210, 1220090), (238, 1076550), (255, 1004780), (300, 854063), (340, 753585), (350, 732054), (357, 717700), (420, 610045), (425, 602868), (476, 538275), (510, 502390), (525, 488036), (595, 430620), (700, 366027), (714, 358850), (850, 301434), (1020, 251195), (1050, 244018), (1190, 215310), (1275, 200956), (1428, 179425), (1700, 150717), (1785, 143540), (2100, 122009), (2380, 107655), (2550, 100478), (2975, 86124), (3570, 71770), (5100, 50239), (5950, 43062), (7140, 35885), (7177, 35700), (8925, 28708), (11900, 21531), (14354, 17850)]