207900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{11}}^1$

素因数の和:41

約数の個数: 144

約数和(自身を含む): 833280

約数和(自身を除く): 625380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 27, 28, 30, 33, 35, 36, 42, 44, 45, 50, 54, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 108, 110, 126, 132, 135, 140, 150, 154, 165, 175, 180, 189, 198, 210, 220, 225, 231, 252, 270, 275, 297, 300, 308, 315, 330, 350, 378, 385, 396, 420, 450, 462, 495, 525, 540, 550, 594, 630, 660, 675, 693, 700, 756, 770, 825, 900, 924, 945, 990, 1050, 1100, 1155, 1188, 1260, 1350, 1386, 1485, 1540, 1575, 1650, 1890, 1925, 1980, 2079, 2100, 2310, 2475, 2700, 2772, 2970, 3150, 3300, 3465, 3780, 3850, 4158, 4620, 4725, 4950, 5775, 5940, 6300, 6930, 7425, 7700, 8316, 9450, 9900, 10395, 11550, 13860, 14850, 17325, 18900, 20790, 23100, 29700, 34650, 41580, 51975, 69300, 103950, 207900]

約数ペア:

[(1, 207900), (2, 103950), (3, 69300), (4, 51975), (5, 41580), (6, 34650), (7, 29700), (9, 23100), (10, 20790), (11, 18900), (12, 17325), (14, 14850), (15, 13860), (18, 11550), (20, 10395), (21, 9900), (22, 9450), (25, 8316), (27, 7700), (28, 7425), (30, 6930), (33, 6300), (35, 5940), (36, 5775), (42, 4950), (44, 4725), (45, 4620), (50, 4158), (54, 3850), (55, 3780), (60, 3465), (63, 3300), (66, 3150), (70, 2970), (75, 2772), (77, 2700), (84, 2475), (90, 2310), (99, 2100), (100, 2079), (105, 1980), (108, 1925), (110, 1890), (126, 1650), (132, 1575), (135, 1540), (140, 1485), (150, 1386), (154, 1350), (165, 1260), (175, 1188), (180, 1155), (189, 1100), (198, 1050), (210, 990), (220, 945), (225, 924), (231, 900), (252, 825), (270, 770), (275, 756), (297, 700), (300, 693), (308, 675), (315, 660), (330, 630), (350, 594), (378, 550), (385, 540), (396, 525), (420, 495), (450, 462)]