12620440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 33981120

約数和(自身を除く): 21360680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 137, 140, 188, 196, 235, 245, 274, 280, 329, 376, 392, 470, 490, 548, 658, 685, 940, 959, 980, 1096, 1316, 1370, 1645, 1880, 1918, 1960, 2303, 2632, 2740, 3290, 3836, 4606, 4795, 5480, 6439, 6580, 6713, 7672, 9212, 9590, 11515, 12878, 13160, 13426, 18424, 19180, 23030, 25756, 26852, 32195, 33565, 38360, 45073, 46060, 51512, 53704, 64390, 67130, 90146, 92120, 128780, 134260, 180292, 225365, 257560, 268520, 315511, 360584, 450730, 631022, 901460, 1262044, 1577555, 1802920, 2524088, 3155110, 6310220, 12620440]

約数ペア:

[(1, 12620440), (2, 6310220), (4, 3155110), (5, 2524088), (7, 1802920), (8, 1577555), (10, 1262044), (14, 901460), (20, 631022), (28, 450730), (35, 360584), (40, 315511), (47, 268520), (49, 257560), (56, 225365), (70, 180292), (94, 134260), (98, 128780), (137, 92120), (140, 90146), (188, 67130), (196, 64390), (235, 53704), (245, 51512), (274, 46060), (280, 45073), (329, 38360), (376, 33565), (392, 32195), (470, 26852), (490, 25756), (548, 23030), (658, 19180), (685, 18424), (940, 13426), (959, 13160), (980, 12878), (1096, 11515), (1316, 9590), (1370, 9212), (1645, 7672), (1880, 6713), (1918, 6580), (1960, 6439), (2303, 5480), (2632, 4795), (2740, 4606), (3290, 3836)]