255740608

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:214

約数の個数: 112

約数和(自身を含む): 562376320

約数和(自身を除く): 306635712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 67, 73, 76, 86, 134, 146, 152, 172, 268, 292, 304, 344, 536, 584, 608, 688, 817, 1072, 1168, 1216, 1273, 1376, 1387, 1634, 2144, 2336, 2546, 2752, 2774, 2881, 3139, 3268, 4288, 4672, 4891, 5092, 5548, 5762, 6278, 6536, 9782, 10184, 11096, 11524, 12556, 13072, 19564, 20368, 22192, 23048, 25112, 26144, 39128, 40736, 44384, 46096, 50224, 52288, 54739, 59641, 78256, 81472, 88768, 92192, 92929, 100448, 109478, 119282, 156512, 184384, 185858, 200896, 210313, 218956, 238564, 313024, 371716, 420626, 437912, 477128, 743432, 841252, 875824, 954256, 1486864, 1682504, 1751648, 1908512, 2973728, 3365008, 3503296, 3817024, 3995947, 5947456, 6730016, 7991894, 13460032, 15983788, 31967576, 63935152, 127870304, 255740608]

約数ペア:

[(1, 255740608), (2, 127870304), (4, 63935152), (8, 31967576), (16, 15983788), (19, 13460032), (32, 7991894), (38, 6730016), (43, 5947456), (64, 3995947), (67, 3817024), (73, 3503296), (76, 3365008), (86, 2973728), (134, 1908512), (146, 1751648), (152, 1682504), (172, 1486864), (268, 954256), (292, 875824), (304, 841252), (344, 743432), (536, 477128), (584, 437912), (608, 420626), (688, 371716), (817, 313024), (1072, 238564), (1168, 218956), (1216, 210313), (1273, 200896), (1376, 185858), (1387, 184384), (1634, 156512), (2144, 119282), (2336, 109478), (2546, 100448), (2752, 92929), (2774, 92192), (2881, 88768), (3139, 81472), (3268, 78256), (4288, 59641), (4672, 54739), (4891, 52288), (5092, 50224), (5548, 46096), (5762, 44384), (6278, 40736), (6536, 39128), (9782, 26144), (10184, 25112), (11096, 23048), (11524, 22192), (12556, 20368), (13072, 19564)]