204528128

素因数分解:

$2^9\times 7^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:557

約数の個数: 80

約数和(自身を含む): 471398400

約数和(自身を除く): 266870272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 224, 256, 298, 383, 448, 512, 596, 766, 896, 1043, 1192, 1532, 1792, 2086, 2384, 2681, 3064, 3584, 4172, 4768, 5362, 6128, 8344, 9536, 10724, 12256, 16688, 19072, 21448, 24512, 33376, 38144, 42896, 49024, 57067, 66752, 76288, 85792, 98048, 114134, 133504, 171584, 196096, 228268, 267008, 343168, 399469, 456536, 534016, 686336, 798938, 913072, 1372672, 1597876, 1826144, 3195752, 3652288, 6391504, 7304576, 12783008, 14609152, 25566016, 29218304, 51132032, 102264064, 204528128]

約数ペア:

[(1, 204528128), (2, 102264064), (4, 51132032), (7, 29218304), (8, 25566016), (14, 14609152), (16, 12783008), (28, 7304576), (32, 6391504), (56, 3652288), (64, 3195752), (112, 1826144), (128, 1597876), (149, 1372672), (224, 913072), (256, 798938), (298, 686336), (383, 534016), (448, 456536), (512, 399469), (596, 343168), (766, 267008), (896, 228268), (1043, 196096), (1192, 171584), (1532, 133504), (1792, 114134), (2086, 98048), (2384, 85792), (2681, 76288), (3064, 66752), (3584, 57067), (4172, 49024), (4768, 42896), (5362, 38144), (6128, 33376), (8344, 24512), (9536, 21448), (10724, 19072), (12256, 16688)]