304829980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 815645376

約数和(自身を除く): 510815396

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 91, 98, 130, 140, 142, 182, 196, 245, 260, 284, 337, 355, 364, 455, 490, 497, 637, 674, 710, 910, 923, 980, 994, 1274, 1348, 1420, 1685, 1820, 1846, 1988, 2359, 2485, 2548, 3185, 3370, 3479, 3692, 4381, 4615, 4718, 4970, 6370, 6461, 6740, 6958, 8762, 9230, 9436, 9940, 11795, 12740, 12922, 13916, 16513, 17395, 17524, 18460, 21905, 23590, 23927, 25844, 30667, 32305, 33026, 34790, 43810, 45227, 47180, 47854, 61334, 64610, 66052, 69580, 82565, 87620, 90454, 95708, 119635, 122668, 129220, 153335, 165130, 167489, 180908, 214669, 226135, 239270, 306670, 311051, 330260, 334978, 429338, 452270, 478540, 613340, 622102, 669956, 837445, 858676, 904540, 1073345, 1172423, 1244204, 1555255, 1674890, 2146690, 2177357, 2344846, 3110510, 3349780, 4293380, 4354714, 4689692, 5862115, 6221020, 8709428, 10886785, 11724230, 15241499, 21773570, 23448460, 30482998, 43547140, 60965996, 76207495, 152414990, 304829980]

約数ペア:

[(1, 304829980), (2, 152414990), (4, 76207495), (5, 60965996), (7, 43547140), (10, 30482998), (13, 23448460), (14, 21773570), (20, 15241499), (26, 11724230), (28, 10886785), (35, 8709428), (49, 6221020), (52, 5862115), (65, 4689692), (70, 4354714), (71, 4293380), (91, 3349780), (98, 3110510), (130, 2344846), (140, 2177357), (142, 2146690), (182, 1674890), (196, 1555255), (245, 1244204), (260, 1172423), (284, 1073345), (337, 904540), (355, 858676), (364, 837445), (455, 669956), (490, 622102), (497, 613340), (637, 478540), (674, 452270), (710, 429338), (910, 334978), (923, 330260), (980, 311051), (994, 306670), (1274, 239270), (1348, 226135), (1420, 214669), (1685, 180908), (1820, 167489), (1846, 165130), (1988, 153335), (2359, 129220), (2485, 122668), (2548, 119635), (3185, 95708), (3370, 90454), (3479, 87620), (3692, 82565), (4381, 69580), (4615, 66052), (4718, 64610), (4970, 61334), (6370, 47854), (6461, 47180), (6740, 45227), (6958, 43810), (8762, 34790), (9230, 33026), (9436, 32305), (9940, 30667), (11795, 25844), (12740, 23927), (12922, 23590), (13916, 21905), (16513, 18460), (17395, 17524)]