339924820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 108

約数和(自身を含む): 796419540

約数和(自身を除く): 456494720

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 89, 92, 95, 115, 178, 190, 230, 356, 361, 380, 437, 445, 460, 529, 722, 874, 890, 1058, 1444, 1691, 1748, 1780, 1805, 2047, 2116, 2185, 2645, 3382, 3610, 4094, 4370, 5290, 6764, 7220, 8188, 8303, 8455, 8740, 10051, 10235, 10580, 16606, 16910, 20102, 20470, 32129, 33212, 33820, 38893, 40204, 40940, 41515, 47081, 50255, 64258, 77786, 83030, 94162, 100510, 128516, 155572, 160645, 166060, 188324, 190969, 194465, 201020, 235405, 321290, 381938, 388930, 470810, 642580, 738967, 763876, 777860, 894539, 941620, 954845, 1477934, 1789078, 1909690, 2955868, 3578156, 3694835, 3819380, 4472695, 7389670, 8945390, 14779340, 16996241, 17890780, 33992482, 67984964, 84981205, 169962410, 339924820]

約数ペア:

[(1, 339924820), (2, 169962410), (4, 84981205), (5, 67984964), (10, 33992482), (19, 17890780), (20, 16996241), (23, 14779340), (38, 8945390), (46, 7389670), (76, 4472695), (89, 3819380), (92, 3694835), (95, 3578156), (115, 2955868), (178, 1909690), (190, 1789078), (230, 1477934), (356, 954845), (361, 941620), (380, 894539), (437, 777860), (445, 763876), (460, 738967), (529, 642580), (722, 470810), (874, 388930), (890, 381938), (1058, 321290), (1444, 235405), (1691, 201020), (1748, 194465), (1780, 190969), (1805, 188324), (2047, 166060), (2116, 160645), (2185, 155572), (2645, 128516), (3382, 100510), (3610, 94162), (4094, 83030), (4370, 77786), (5290, 64258), (6764, 50255), (7220, 47081), (8188, 41515), (8303, 40940), (8455, 40204), (8740, 38893), (10051, 33820), (10235, 33212), (10580, 32129), (16606, 20470), (16910, 20102)]