207925620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:582

約数の個数: 144

約数和(自身を含む): 682577280

約数和(自身を除く): 474651660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 197, 210, 245, 294, 359, 394, 420, 490, 588, 591, 718, 735, 788, 980, 985, 1077, 1182, 1379, 1436, 1470, 1795, 1970, 2154, 2364, 2513, 2758, 2940, 2955, 3590, 3940, 4137, 4308, 5026, 5385, 5516, 5910, 6895, 7180, 7539, 8274, 9653, 10052, 10770, 11820, 12565, 13790, 15078, 16548, 17591, 19306, 20685, 21540, 25130, 27580, 28959, 30156, 35182, 37695, 38612, 41370, 48265, 50260, 52773, 57918, 70364, 70723, 75390, 82740, 87955, 96530, 105546, 115836, 141446, 144795, 150780, 175910, 193060, 211092, 212169, 263865, 282892, 289590, 351820, 353615, 424338, 495061, 527730, 579180, 707230, 848676, 990122, 1055460, 1060845, 1414460, 1485183, 1980244, 2121690, 2475305, 2970366, 3465427, 4243380, 4950610, 5940732, 6930854, 7425915, 9901220, 10396281, 13861708, 14851830, 17327135, 20792562, 29703660, 34654270, 41585124, 51981405, 69308540, 103962810, 207925620]

約数ペア:

[(1, 207925620), (2, 103962810), (3, 69308540), (4, 51981405), (5, 41585124), (6, 34654270), (7, 29703660), (10, 20792562), (12, 17327135), (14, 14851830), (15, 13861708), (20, 10396281), (21, 9901220), (28, 7425915), (30, 6930854), (35, 5940732), (42, 4950610), (49, 4243380), (60, 3465427), (70, 2970366), (84, 2475305), (98, 2121690), (105, 1980244), (140, 1485183), (147, 1414460), (196, 1060845), (197, 1055460), (210, 990122), (245, 848676), (294, 707230), (359, 579180), (394, 527730), (420, 495061), (490, 424338), (588, 353615), (591, 351820), (718, 289590), (735, 282892), (788, 263865), (980, 212169), (985, 211092), (1077, 193060), (1182, 175910), (1379, 150780), (1436, 144795), (1470, 141446), (1795, 115836), (1970, 105546), (2154, 96530), (2364, 87955), (2513, 82740), (2758, 75390), (2940, 70723), (2955, 70364), (3590, 57918), (3940, 52773), (4137, 50260), (4308, 48265), (5026, 41370), (5385, 38612), (5516, 37695), (5910, 35182), (6895, 30156), (7180, 28959), (7539, 27580), (8274, 25130), (9653, 21540), (10052, 20685), (10770, 19306), (11820, 17591), (12565, 16548), (13790, 15078)]