206976560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2659}}^1$

素因数の和:2818

約数の個数: 80

約数和(自身を含む): 554131200

約数和(自身を除く): 347154640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2659, 2780, 3892, 4865, 5318, 5560, 7784, 9730, 10636, 11120, 13295, 15568, 18613, 19460, 21272, 26590, 37226, 38920, 42544, 53180, 74452, 77840, 93065, 106360, 148904, 186130, 212720, 297808, 369601, 372260, 739202, 744520, 1478404, 1489040, 1848005, 2587207, 2956808, 3696010, 5174414, 5913616, 7392020, 10348828, 12936035, 14784040, 20697656, 25872070, 29568080, 41395312, 51744140, 103488280, 206976560]

約数ペア:

[(1, 206976560), (2, 103488280), (4, 51744140), (5, 41395312), (7, 29568080), (8, 25872070), (10, 20697656), (14, 14784040), (16, 12936035), (20, 10348828), (28, 7392020), (35, 5913616), (40, 5174414), (56, 3696010), (70, 2956808), (80, 2587207), (112, 1848005), (139, 1489040), (140, 1478404), (278, 744520), (280, 739202), (556, 372260), (560, 369601), (695, 297808), (973, 212720), (1112, 186130), (1390, 148904), (1946, 106360), (2224, 93065), (2659, 77840), (2780, 74452), (3892, 53180), (4865, 42544), (5318, 38920), (5560, 37226), (7784, 26590), (9730, 21272), (10636, 19460), (11120, 18613), (13295, 15568)]