1813373380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{10949}}^1$

素因数の和:10998

約数の個数: 108

約数和(自身を含む): 4797216900

約数和(自身を除く): 2983843520

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 364, 455, 490, 637, 676, 845, 910, 980, 1183, 1274, 1690, 1820, 2366, 2548, 3185, 3380, 4732, 5915, 6370, 8281, 10949, 11830, 12740, 16562, 21898, 23660, 33124, 41405, 43796, 54745, 76643, 82810, 109490, 142337, 153286, 165620, 218980, 284674, 306572, 383215, 536501, 569348, 711685, 766430, 996359, 1073002, 1423370, 1532860, 1850381, 1992718, 2146004, 2682505, 2846740, 3700762, 3985436, 4981795, 5365010, 6974513, 7401524, 9251905, 9963590, 10730020, 12952667, 13949026, 18503810, 19927180, 25905334, 27898052, 34872565, 37007620, 51810668, 64763335, 69745130, 90668669, 129526670, 139490260, 181337338, 259053340, 362674676, 453343345, 906686690, 1813373380]

約数ペア:

[(1, 1813373380), (2, 906686690), (4, 453343345), (5, 362674676), (7, 259053340), (10, 181337338), (13, 139490260), (14, 129526670), (20, 90668669), (26, 69745130), (28, 64763335), (35, 51810668), (49, 37007620), (52, 34872565), (65, 27898052), (70, 25905334), (91, 19927180), (98, 18503810), (130, 13949026), (140, 12952667), (169, 10730020), (182, 9963590), (196, 9251905), (245, 7401524), (260, 6974513), (338, 5365010), (364, 4981795), (455, 3985436), (490, 3700762), (637, 2846740), (676, 2682505), (845, 2146004), (910, 1992718), (980, 1850381), (1183, 1532860), (1274, 1423370), (1690, 1073002), (1820, 996359), (2366, 766430), (2548, 711685), (3185, 569348), (3380, 536501), (4732, 383215), (5915, 306572), (6370, 284674), (8281, 218980), (10949, 165620), (11830, 153286), (12740, 142337), (16562, 109490), (21898, 82810), (23660, 76643), (33124, 54745), (41405, 43796)]