259635712

素因数分解:

$2^9\times 7^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 120

約数和(自身を含む): 615764160

約数和(自身を除く): 356128448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 79, 98, 112, 128, 131, 158, 196, 224, 256, 262, 316, 392, 448, 512, 524, 553, 632, 784, 896, 917, 1048, 1106, 1264, 1568, 1792, 1834, 2096, 2212, 2528, 3136, 3584, 3668, 3871, 4192, 4424, 5056, 6272, 6419, 7336, 7742, 8384, 8848, 10112, 10349, 12544, 12838, 14672, 15484, 16768, 17696, 20224, 20698, 25088, 25676, 29344, 30968, 33536, 35392, 40448, 41396, 51352, 58688, 61936, 67072, 70784, 72443, 82792, 102704, 117376, 123872, 141568, 144886, 165584, 205408, 234752, 247744, 283136, 289772, 331168, 410816, 469504, 495488, 507101, 579544, 662336, 821632, 990976, 1014202, 1159088, 1324672, 1643264, 1981952, 2028404, 2318176, 2649344, 3286528, 4056808, 4636352, 5298688, 8113616, 9272704, 16227232, 18545408, 32454464, 37090816, 64908928, 129817856, 259635712]

約数ペア:

[(1, 259635712), (2, 129817856), (4, 64908928), (7, 37090816), (8, 32454464), (14, 18545408), (16, 16227232), (28, 9272704), (32, 8113616), (49, 5298688), (56, 4636352), (64, 4056808), (79, 3286528), (98, 2649344), (112, 2318176), (128, 2028404), (131, 1981952), (158, 1643264), (196, 1324672), (224, 1159088), (256, 1014202), (262, 990976), (316, 821632), (392, 662336), (448, 579544), (512, 507101), (524, 495488), (553, 469504), (632, 410816), (784, 331168), (896, 289772), (917, 283136), (1048, 247744), (1106, 234752), (1264, 205408), (1568, 165584), (1792, 144886), (1834, 141568), (2096, 123872), (2212, 117376), (2528, 102704), (3136, 82792), (3584, 72443), (3668, 70784), (3871, 67072), (4192, 61936), (4424, 58688), (5056, 51352), (6272, 41396), (6419, 40448), (7336, 35392), (7742, 33536), (8384, 30968), (8848, 29344), (10112, 25676), (10349, 25088), (12544, 20698), (12838, 20224), (14672, 17696), (15484, 16768)]