85720404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 263148480

約数和(自身を除く): 177428076

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 29, 33, 42, 44, 49, 58, 66, 77, 84, 87, 98, 116, 132, 147, 154, 174, 196, 203, 231, 294, 308, 319, 348, 406, 457, 462, 539, 588, 609, 638, 812, 914, 924, 957, 1078, 1218, 1276, 1371, 1421, 1617, 1828, 1914, 2156, 2233, 2436, 2742, 2842, 3199, 3234, 3828, 4263, 4466, 5027, 5484, 5684, 6398, 6468, 6699, 8526, 8932, 9597, 10054, 12796, 13253, 13398, 15081, 15631, 17052, 19194, 20108, 22393, 26506, 26796, 30162, 31262, 35189, 38388, 39759, 44786, 46893, 53012, 60324, 62524, 67179, 70378, 79518, 89572, 92771, 93786, 105567, 134358, 140756, 145783, 159036, 185542, 187572, 211134, 246323, 268716, 278313, 291566, 371084, 422268, 437349, 492646, 556626, 583132, 649397, 738969, 874698, 985292, 1020481, 1113252, 1298794, 1477938, 1749396, 1948191, 2040962, 2597588, 2955876, 3061443, 3896382, 4081924, 6122886, 7143367, 7792764, 12245772, 14286734, 21430101, 28573468, 42860202, 85720404]

約数ペア:

[(1, 85720404), (2, 42860202), (3, 28573468), (4, 21430101), (6, 14286734), (7, 12245772), (11, 7792764), (12, 7143367), (14, 6122886), (21, 4081924), (22, 3896382), (28, 3061443), (29, 2955876), (33, 2597588), (42, 2040962), (44, 1948191), (49, 1749396), (58, 1477938), (66, 1298794), (77, 1113252), (84, 1020481), (87, 985292), (98, 874698), (116, 738969), (132, 649397), (147, 583132), (154, 556626), (174, 492646), (196, 437349), (203, 422268), (231, 371084), (294, 291566), (308, 278313), (319, 268716), (348, 246323), (406, 211134), (457, 187572), (462, 185542), (539, 159036), (588, 145783), (609, 140756), (638, 134358), (812, 105567), (914, 93786), (924, 92771), (957, 89572), (1078, 79518), (1218, 70378), (1276, 67179), (1371, 62524), (1421, 60324), (1617, 53012), (1828, 46893), (1914, 44786), (2156, 39759), (2233, 38388), (2436, 35189), (2742, 31262), (2842, 30162), (3199, 26796), (3234, 26506), (3828, 22393), (4263, 20108), (4466, 19194), (5027, 17052), (5484, 15631), (5684, 15081), (6398, 13398), (6468, 13253), (6699, 12796), (8526, 10054), (8932, 9597)]