179681404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^2$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 389406080

約数和(自身を除く): 209724676

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 71, 76, 133, 134, 142, 266, 268, 284, 469, 497, 532, 938, 994, 1273, 1349, 1876, 1988, 2546, 2698, 4757, 5041, 5092, 5396, 8911, 9443, 9514, 10082, 17822, 18886, 19028, 20164, 33299, 35287, 35644, 37772, 66598, 70574, 90383, 95779, 133196, 141148, 180766, 191558, 337747, 361532, 383116, 632681, 670453, 675494, 1265362, 1340906, 1350988, 2364229, 2530724, 2681812, 4728458, 6417193, 9456916, 12834386, 25668772, 44920351, 89840702, 179681404]

約数ペア:

[(1, 179681404), (2, 89840702), (4, 44920351), (7, 25668772), (14, 12834386), (19, 9456916), (28, 6417193), (38, 4728458), (67, 2681812), (71, 2530724), (76, 2364229), (133, 1350988), (134, 1340906), (142, 1265362), (266, 675494), (268, 670453), (284, 632681), (469, 383116), (497, 361532), (532, 337747), (938, 191558), (994, 180766), (1273, 141148), (1349, 133196), (1876, 95779), (1988, 90383), (2546, 70574), (2698, 66598), (4757, 37772), (5041, 35644), (5092, 35287), (5396, 33299), (8911, 20164), (9443, 19028), (9514, 18886), (10082, 17822)]