278507952

素因数分解:

$2^4\times 3^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:395

約数の個数: 120

約数和(自身を含む): 798726656

約数和(自身を除く): 520218704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 97, 127, 144, 157, 194, 254, 291, 314, 381, 388, 471, 508, 582, 628, 762, 776, 873, 942, 1016, 1143, 1164, 1256, 1413, 1524, 1552, 1746, 1884, 2032, 2286, 2328, 2512, 2826, 3048, 3492, 3768, 4572, 4656, 5652, 6096, 6984, 7536, 9144, 11304, 12319, 13968, 15229, 18288, 19939, 22608, 24638, 30458, 36957, 39878, 45687, 49276, 59817, 60916, 73914, 79756, 91374, 98552, 110871, 119634, 121832, 137061, 147828, 159512, 179451, 182748, 197104, 221742, 239268, 243664, 274122, 295656, 319024, 358902, 365496, 443484, 478536, 548244, 591312, 717804, 730992, 886968, 957072, 1096488, 1435608, 1773936, 1934083, 2192976, 2871216, 3868166, 5802249, 7736332, 11604498, 15472664, 17406747, 23208996, 30945328, 34813494, 46417992, 69626988, 92835984, 139253976, 278507952]

約数ペア:

[(1, 278507952), (2, 139253976), (3, 92835984), (4, 69626988), (6, 46417992), (8, 34813494), (9, 30945328), (12, 23208996), (16, 17406747), (18, 15472664), (24, 11604498), (36, 7736332), (48, 5802249), (72, 3868166), (97, 2871216), (127, 2192976), (144, 1934083), (157, 1773936), (194, 1435608), (254, 1096488), (291, 957072), (314, 886968), (381, 730992), (388, 717804), (471, 591312), (508, 548244), (582, 478536), (628, 443484), (762, 365496), (776, 358902), (873, 319024), (942, 295656), (1016, 274122), (1143, 243664), (1164, 239268), (1256, 221742), (1413, 197104), (1524, 182748), (1552, 179451), (1746, 159512), (1884, 147828), (2032, 137061), (2286, 121832), (2328, 119634), (2512, 110871), (2826, 98552), (3048, 91374), (3492, 79756), (3768, 73914), (4572, 60916), (4656, 59817), (5652, 49276), (6096, 45687), (6984, 39878), (7536, 36957), (9144, 30458), (11304, 24638), (12319, 22608), (13968, 19939), (15229, 18288)]