154185472

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 354838400

約数和(自身を除く): 200652928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 556, 619, 896, 973, 1112, 1238, 1792, 1946, 2224, 2476, 3892, 4333, 4448, 4952, 7784, 8666, 8896, 9904, 15568, 17332, 17792, 19808, 31136, 34664, 35584, 39616, 62272, 69328, 79232, 86041, 124544, 138656, 158464, 172082, 249088, 277312, 344164, 554624, 602287, 688328, 1109248, 1204574, 1376656, 2409148, 2753312, 4818296, 5506624, 9636592, 11013248, 19273184, 22026496, 38546368, 77092736, 154185472]

約数ペア:

[(1, 154185472), (2, 77092736), (4, 38546368), (7, 22026496), (8, 19273184), (14, 11013248), (16, 9636592), (28, 5506624), (32, 4818296), (56, 2753312), (64, 2409148), (112, 1376656), (128, 1204574), (139, 1109248), (224, 688328), (256, 602287), (278, 554624), (448, 344164), (556, 277312), (619, 249088), (896, 172082), (973, 158464), (1112, 138656), (1238, 124544), (1792, 86041), (1946, 79232), (2224, 69328), (2476, 62272), (3892, 39616), (4333, 35584), (4448, 34664), (4952, 31136), (7784, 19808), (8666, 17792), (8896, 17332), (9904, 15568)]