400246736

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 840374784

約数和(自身を除く): 440128048

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 73, 92, 94, 146, 184, 188, 292, 317, 368, 376, 584, 634, 752, 1081, 1168, 1268, 1679, 2162, 2536, 3358, 3431, 4324, 5072, 6716, 6862, 7291, 8648, 13432, 13724, 14582, 14899, 17296, 23141, 26864, 27448, 29164, 29798, 46282, 54896, 58328, 59596, 78913, 92564, 116656, 119192, 157826, 185128, 238384, 315652, 342677, 370256, 532243, 631304, 685354, 1064486, 1087627, 1262608, 1370708, 2128972, 2175254, 2741416, 4257944, 4350508, 5482832, 8515888, 8701016, 17402032, 25015421, 50030842, 100061684, 200123368, 400246736]

約数ペア:

[(1, 400246736), (2, 200123368), (4, 100061684), (8, 50030842), (16, 25015421), (23, 17402032), (46, 8701016), (47, 8515888), (73, 5482832), (92, 4350508), (94, 4257944), (146, 2741416), (184, 2175254), (188, 2128972), (292, 1370708), (317, 1262608), (368, 1087627), (376, 1064486), (584, 685354), (634, 631304), (752, 532243), (1081, 370256), (1168, 342677), (1268, 315652), (1679, 238384), (2162, 185128), (2536, 157826), (3358, 119192), (3431, 116656), (4324, 92564), (5072, 78913), (6716, 59596), (6862, 58328), (7291, 54896), (8648, 46282), (13432, 29798), (13724, 29164), (14582, 27448), (14899, 26864), (17296, 23141)]