278049749992

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1\times {\mathrm{4339}}^1$

素因数の和:4863

約数の個数: 128

約数和(自身を含む): 632459520000

約数和(自身を除く): 354409770008

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 229, 263, 266, 458, 526, 532, 916, 1052, 1064, 1603, 1832, 1841, 2104, 3206, 3682, 4339, 4351, 4997, 6412, 7364, 8678, 8702, 9994, 12824, 14728, 17356, 17404, 19988, 30373, 30457, 34712, 34808, 34979, 39976, 60227, 60746, 60914, 69958, 82441, 120454, 121492, 121828, 139916, 164882, 240908, 242984, 243656, 279832, 329764, 421589, 481816, 577087, 659528, 843178, 993631, 1141157, 1144313, 1154174, 1686356, 1987262, 2282314, 2288626, 2308348, 3372712, 3974524, 4564628, 4577252, 4616696, 6955417, 7949048, 7988099, 8010191, 9129256, 9154504, 13910834, 15976198, 16020382, 18878989, 21681983, 27821668, 31952396, 32040764, 37757978, 43363966, 55643336, 63904792, 64081528, 75515956, 86727932, 132152923, 151031912, 151773881, 173455864, 261324953, 264305846, 303547762, 522649906, 528611692, 607095524, 1045299812, 1057223384, 1214191048, 1829274671, 2090599624, 3658549342, 4965174107, 7317098684, 9930348214, 14634197368, 19860696428, 34756218749, 39721392856, 69512437498, 139024874996, 278049749992]

約数ペア:

[(1, 278049749992), (2, 139024874996), (4, 69512437498), (7, 39721392856), (8, 34756218749), (14, 19860696428), (19, 14634197368), (28, 9930348214), (38, 7317098684), (56, 4965174107), (76, 3658549342), (133, 2090599624), (152, 1829274671), (229, 1214191048), (263, 1057223384), (266, 1045299812), (458, 607095524), (526, 528611692), (532, 522649906), (916, 303547762), (1052, 264305846), (1064, 261324953), (1603, 173455864), (1832, 151773881), (1841, 151031912), (2104, 132152923), (3206, 86727932), (3682, 75515956), (4339, 64081528), (4351, 63904792), (4997, 55643336), (6412, 43363966), (7364, 37757978), (8678, 32040764), (8702, 31952396), (9994, 27821668), (12824, 21681983), (14728, 18878989), (17356, 16020382), (17404, 15976198), (19988, 13910834), (30373, 9154504), (30457, 9129256), (34712, 8010191), (34808, 7988099), (34979, 7949048), (39976, 6955417), (60227, 4616696), (60746, 4577252), (60914, 4564628), (69958, 3974524), (82441, 3372712), (120454, 2308348), (121492, 2288626), (121828, 2282314), (139916, 1987262), (164882, 1686356), (240908, 1154174), (242984, 1144313), (243656, 1141157), (279832, 993631), (329764, 843178), (421589, 659528), (481816, 577087)]