256713028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 590284800

約数和(自身を除く): 333571772

約数列:

[1, 2, 4, 11, 13, 19, 22, 23, 26, 38, 44, 46, 52, 76, 79, 92, 143, 158, 169, 209, 247, 253, 286, 299, 316, 338, 418, 437, 494, 506, 572, 598, 676, 836, 869, 874, 988, 1012, 1027, 1196, 1501, 1738, 1748, 1817, 1859, 2054, 2717, 3002, 3211, 3289, 3476, 3634, 3718, 3887, 4108, 4807, 5434, 5681, 6004, 6422, 6578, 7268, 7436, 7774, 9614, 10868, 11297, 11362, 12844, 13156, 13351, 15548, 16511, 19228, 19513, 19987, 22594, 22724, 23621, 26702, 33022, 34523, 35321, 39026, 39974, 42757, 45188, 47242, 53404, 62491, 66044, 69046, 70642, 73853, 78052, 79948, 85514, 94484, 124982, 138092, 141284, 146861, 147706, 171028, 214643, 249964, 253669, 259831, 293722, 295412, 307073, 379753, 429286, 448799, 507338, 519662, 587444, 614146, 759506, 812383, 858572, 897598, 1014676, 1039324, 1228292, 1519012, 1624766, 1795196, 2790359, 3249532, 3377803, 4936789, 5580718, 5834387, 6755606, 9873578, 11161436, 11668774, 13511212, 19747156, 23337548, 64178257, 128356514, 256713028]

約数ペア:

[(1, 256713028), (2, 128356514), (4, 64178257), (11, 23337548), (13, 19747156), (19, 13511212), (22, 11668774), (23, 11161436), (26, 9873578), (38, 6755606), (44, 5834387), (46, 5580718), (52, 4936789), (76, 3377803), (79, 3249532), (92, 2790359), (143, 1795196), (158, 1624766), (169, 1519012), (209, 1228292), (247, 1039324), (253, 1014676), (286, 897598), (299, 858572), (316, 812383), (338, 759506), (418, 614146), (437, 587444), (494, 519662), (506, 507338), (572, 448799), (598, 429286), (676, 379753), (836, 307073), (869, 295412), (874, 293722), (988, 259831), (1012, 253669), (1027, 249964), (1196, 214643), (1501, 171028), (1738, 147706), (1748, 146861), (1817, 141284), (1859, 138092), (2054, 124982), (2717, 94484), (3002, 85514), (3211, 79948), (3289, 78052), (3476, 73853), (3634, 70642), (3718, 69046), (3887, 66044), (4108, 62491), (4807, 53404), (5434, 47242), (5681, 45188), (6004, 42757), (6422, 39974), (6578, 39026), (7268, 35321), (7436, 34523), (7774, 33022), (9614, 26702), (10868, 23621), (11297, 22724), (11362, 22594), (12844, 19987), (13156, 19513), (13351, 19228), (15548, 16511)]