260863456

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 631383984

約数和(自身を除く): 370520528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 53, 56, 73, 86, 98, 106, 112, 146, 172, 196, 212, 224, 292, 301, 344, 371, 392, 424, 511, 584, 602, 688, 742, 784, 848, 1022, 1168, 1204, 1376, 1484, 1568, 1696, 2044, 2107, 2279, 2336, 2408, 2597, 2968, 3139, 3577, 3869, 4088, 4214, 4558, 4816, 5194, 5936, 6278, 7154, 7738, 8176, 8428, 9116, 9632, 10388, 11872, 12556, 14308, 15476, 15953, 16352, 16856, 18232, 20776, 21973, 25112, 27083, 28616, 30952, 31906, 33712, 36464, 41552, 43946, 50224, 54166, 57232, 61904, 63812, 67424, 72928, 83104, 87892, 100448, 108332, 111671, 114464, 123808, 127624, 153811, 166367, 175784, 189581, 216664, 223342, 255248, 307622, 332734, 351568, 379162, 433328, 446684, 510496, 615244, 665468, 703136, 758324, 866656, 893368, 1164569, 1230488, 1330936, 1516648, 1786736, 2329138, 2460976, 2661872, 3033296, 3573472, 4658276, 4921952, 5323744, 6066592, 8151983, 9316552, 16303966, 18633104, 32607932, 37266208, 65215864, 130431728, 260863456]

約数ペア:

[(1, 260863456), (2, 130431728), (4, 65215864), (7, 37266208), (8, 32607932), (14, 18633104), (16, 16303966), (28, 9316552), (32, 8151983), (43, 6066592), (49, 5323744), (53, 4921952), (56, 4658276), (73, 3573472), (86, 3033296), (98, 2661872), (106, 2460976), (112, 2329138), (146, 1786736), (172, 1516648), (196, 1330936), (212, 1230488), (224, 1164569), (292, 893368), (301, 866656), (344, 758324), (371, 703136), (392, 665468), (424, 615244), (511, 510496), (584, 446684), (602, 433328), (688, 379162), (742, 351568), (784, 332734), (848, 307622), (1022, 255248), (1168, 223342), (1204, 216664), (1376, 189581), (1484, 175784), (1568, 166367), (1696, 153811), (2044, 127624), (2107, 123808), (2279, 114464), (2336, 111671), (2408, 108332), (2597, 100448), (2968, 87892), (3139, 83104), (3577, 72928), (3869, 67424), (4088, 63812), (4214, 61904), (4558, 57232), (4816, 54166), (5194, 50224), (5936, 43946), (6278, 41552), (7154, 36464), (7738, 33712), (8176, 31906), (8428, 30952), (9116, 28616), (9632, 27083), (10388, 25112), (11872, 21973), (12556, 20776), (14308, 18232), (15476, 16856), (15953, 16352)]