280478656276

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{34739}}^1$

素因数の和:35345

約数の個数: 96

約数和(自身を含む): 620003946240

約数和(自身を除く): 339525289964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 541, 574, 1066, 1082, 1148, 2132, 2164, 3731, 3787, 7033, 7462, 7574, 14066, 14924, 15148, 22181, 28132, 34739, 44362, 49231, 69478, 88724, 98462, 138956, 155267, 196924, 243173, 288353, 310534, 451607, 486346, 576706, 621068, 903214, 972692, 1153412, 1424299, 1806428, 2018471, 2848598, 3161249, 4036942, 5697196, 6322498, 8073884, 9970093, 12644996, 18515887, 18793799, 19940186, 37031774, 37587598, 39880372, 74063548, 75175196, 129611209, 131556593, 244319387, 259222418, 263113186, 488638774, 518444836, 526226372, 770545759, 977277548, 1541091518, 1710235709, 3082183036, 3420471418, 5393820313, 6840942836, 10017094867, 10787640626, 20034189734, 21575281252, 40068379468, 70119664069, 140239328138, 280478656276]

約数ペア:

[(1, 280478656276), (2, 140239328138), (4, 70119664069), (7, 40068379468), (13, 21575281252), (14, 20034189734), (26, 10787640626), (28, 10017094867), (41, 6840942836), (52, 5393820313), (82, 3420471418), (91, 3082183036), (164, 1710235709), (182, 1541091518), (287, 977277548), (364, 770545759), (533, 526226372), (541, 518444836), (574, 488638774), (1066, 263113186), (1082, 259222418), (1148, 244319387), (2132, 131556593), (2164, 129611209), (3731, 75175196), (3787, 74063548), (7033, 39880372), (7462, 37587598), (7574, 37031774), (14066, 19940186), (14924, 18793799), (15148, 18515887), (22181, 12644996), (28132, 9970093), (34739, 8073884), (44362, 6322498), (49231, 5697196), (69478, 4036942), (88724, 3161249), (98462, 2848598), (138956, 2018471), (155267, 1806428), (196924, 1424299), (243173, 1153412), (288353, 972692), (310534, 903214), (451607, 621068), (486346, 576706)]