128241400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 343728000

約数和(自身を除く): 215486600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 139, 140, 175, 200, 278, 280, 350, 556, 659, 695, 700, 973, 1112, 1318, 1390, 1400, 1946, 2636, 2780, 3295, 3475, 3892, 4613, 4865, 5272, 5560, 6590, 6950, 7784, 9226, 9730, 13180, 13900, 16475, 18452, 19460, 23065, 24325, 26360, 27800, 32950, 36904, 38920, 46130, 48650, 65900, 91601, 92260, 97300, 115325, 131800, 183202, 184520, 194600, 230650, 366404, 458005, 461300, 641207, 732808, 916010, 922600, 1282414, 1832020, 2290025, 2564828, 3206035, 3664040, 4580050, 5129656, 6412070, 9160100, 12824140, 16030175, 18320200, 25648280, 32060350, 64120700, 128241400]

約数ペア:

[(1, 128241400), (2, 64120700), (4, 32060350), (5, 25648280), (7, 18320200), (8, 16030175), (10, 12824140), (14, 9160100), (20, 6412070), (25, 5129656), (28, 4580050), (35, 3664040), (40, 3206035), (50, 2564828), (56, 2290025), (70, 1832020), (100, 1282414), (139, 922600), (140, 916010), (175, 732808), (200, 641207), (278, 461300), (280, 458005), (350, 366404), (556, 230650), (659, 194600), (695, 184520), (700, 183202), (973, 131800), (1112, 115325), (1318, 97300), (1390, 92260), (1400, 91601), (1946, 65900), (2636, 48650), (2780, 46130), (3295, 38920), (3475, 36904), (3892, 32950), (4613, 27800), (4865, 26360), (5272, 24325), (5560, 23065), (6590, 19460), (6950, 18452), (7784, 16475), (9226, 13900), (9730, 13180)]