82860680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2129}}^1$

素因数の和:2286

約数の個数: 64

約数和(自身を含む): 214704000

約数和(自身を除く): 131843320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2129, 2780, 3892, 4258, 4865, 5560, 7784, 8516, 9730, 10645, 14903, 17032, 19460, 21290, 29806, 38920, 42580, 59612, 74515, 85160, 119224, 149030, 295931, 298060, 591862, 596120, 1183724, 1479655, 2071517, 2367448, 2959310, 4143034, 5918620, 8286068, 10357585, 11837240, 16572136, 20715170, 41430340, 82860680]

約数ペア:

[(1, 82860680), (2, 41430340), (4, 20715170), (5, 16572136), (7, 11837240), (8, 10357585), (10, 8286068), (14, 5918620), (20, 4143034), (28, 2959310), (35, 2367448), (40, 2071517), (56, 1479655), (70, 1183724), (139, 596120), (140, 591862), (278, 298060), (280, 295931), (556, 149030), (695, 119224), (973, 85160), (1112, 74515), (1390, 59612), (1946, 42580), (2129, 38920), (2780, 29806), (3892, 21290), (4258, 19460), (4865, 17032), (5560, 14903), (7784, 10645), (8516, 9730)]