680401799

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 953222400

約数和(自身を除く): 272820601

約数列:

[1, 7, 11, 19, 29, 49, 77, 79, 133, 203, 209, 319, 539, 551, 553, 841, 869, 931, 1421, 1463, 1501, 2233, 2291, 3857, 3871, 5887, 6061, 6083, 9251, 10241, 10507, 15631, 15979, 16037, 16511, 25201, 26999, 41209, 42427, 42581, 43529, 64757, 66439, 73549, 111853, 112259, 115577, 175769, 176407, 296989, 304703, 453299, 465073, 478819, 730829, 782971, 809039, 1230383, 1234849, 1262341, 2132921, 3255511, 3351733, 5115803, 8612681, 8836387, 13885751, 23462131, 35810621, 61854709, 97200257, 680401799]

約数ペア:

[(1, 680401799), (7, 97200257), (11, 61854709), (19, 35810621), (29, 23462131), (49, 13885751), (77, 8836387), (79, 8612681), (133, 5115803), (203, 3351733), (209, 3255511), (319, 2132921), (539, 1262341), (551, 1234849), (553, 1230383), (841, 809039), (869, 782971), (931, 730829), (1421, 478819), (1463, 465073), (1501, 453299), (2233, 304703), (2291, 296989), (3857, 176407), (3871, 175769), (5887, 115577), (6061, 112259), (6083, 111853), (9251, 73549), (10241, 66439), (10507, 64757), (15631, 43529), (15979, 42581), (16037, 42427), (16511, 41209), (25201, 26999)]