256092032

素因数分解:

$2^7\times 7^3\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 628320000

約数和(自身を除く): 372227968

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 266, 304, 307, 343, 392, 448, 532, 608, 614, 686, 784, 896, 931, 1064, 1216, 1228, 1372, 1568, 1862, 2128, 2149, 2432, 2456, 2744, 3136, 3724, 4256, 4298, 4912, 5488, 5833, 6272, 6517, 7448, 8512, 8596, 9824, 10976, 11666, 13034, 14896, 15043, 17024, 17192, 19648, 21952, 23332, 26068, 29792, 30086, 34384, 39296, 40831, 43904, 46664, 52136, 59584, 60172, 68768, 81662, 93328, 104272, 105301, 119168, 120344, 137536, 163324, 186656, 208544, 210602, 240688, 275072, 285817, 326648, 373312, 417088, 421204, 481376, 571634, 653296, 746624, 834176, 842408, 962752, 1143268, 1306592, 1684816, 1925504, 2000719, 2286536, 2613184, 3369632, 4001438, 4573072, 5226368, 6739264, 8002876, 9146144, 13478528, 16005752, 18292288, 32011504, 36584576, 64023008, 128046016, 256092032]

約数ペア:

[(1, 256092032), (2, 128046016), (4, 64023008), (7, 36584576), (8, 32011504), (14, 18292288), (16, 16005752), (19, 13478528), (28, 9146144), (32, 8002876), (38, 6739264), (49, 5226368), (56, 4573072), (64, 4001438), (76, 3369632), (98, 2613184), (112, 2286536), (128, 2000719), (133, 1925504), (152, 1684816), (196, 1306592), (224, 1143268), (266, 962752), (304, 842408), (307, 834176), (343, 746624), (392, 653296), (448, 571634), (532, 481376), (608, 421204), (614, 417088), (686, 373312), (784, 326648), (896, 285817), (931, 275072), (1064, 240688), (1216, 210602), (1228, 208544), (1372, 186656), (1568, 163324), (1862, 137536), (2128, 120344), (2149, 119168), (2432, 105301), (2456, 104272), (2744, 93328), (3136, 81662), (3724, 68768), (4256, 60172), (4298, 59584), (4912, 52136), (5488, 46664), (5833, 43904), (6272, 40831), (6517, 39296), (7448, 34384), (8512, 30086), (8596, 29792), (9824, 26068), (10976, 23332), (11666, 21952), (13034, 19648), (14896, 17192), (15043, 17024)]