212614400

素因数分解:

$2^8\times 5^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 108

約数和(自身を含む): 532257600

約数和(自身を除く): 319643200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 139, 160, 200, 239, 256, 278, 320, 400, 478, 556, 640, 695, 800, 956, 1112, 1195, 1280, 1390, 1600, 1912, 2224, 2390, 2780, 3200, 3475, 3824, 4448, 4780, 5560, 5975, 6400, 6950, 7648, 8896, 9560, 11120, 11950, 13900, 15296, 17792, 19120, 22240, 23900, 27800, 30592, 33221, 35584, 38240, 44480, 47800, 55600, 61184, 66442, 76480, 88960, 95600, 111200, 132884, 152960, 166105, 177920, 191200, 222400, 265768, 305920, 332210, 382400, 444800, 531536, 664420, 764800, 830525, 889600, 1063072, 1328840, 1529600, 1661050, 2126144, 2657680, 3322100, 4252288, 5315360, 6644200, 8504576, 10630720, 13288400, 21261440, 26576800, 42522880, 53153600, 106307200, 212614400]

約数ペア:

[(1, 212614400), (2, 106307200), (4, 53153600), (5, 42522880), (8, 26576800), (10, 21261440), (16, 13288400), (20, 10630720), (25, 8504576), (32, 6644200), (40, 5315360), (50, 4252288), (64, 3322100), (80, 2657680), (100, 2126144), (128, 1661050), (139, 1529600), (160, 1328840), (200, 1063072), (239, 889600), (256, 830525), (278, 764800), (320, 664420), (400, 531536), (478, 444800), (556, 382400), (640, 332210), (695, 305920), (800, 265768), (956, 222400), (1112, 191200), (1195, 177920), (1280, 166105), (1390, 152960), (1600, 132884), (1912, 111200), (2224, 95600), (2390, 88960), (2780, 76480), (3200, 66442), (3475, 61184), (3824, 55600), (4448, 47800), (4780, 44480), (5560, 38240), (5975, 35584), (6400, 33221), (6950, 30592), (7648, 27800), (8896, 23900), (9560, 22240), (11120, 19120), (11950, 17792), (13900, 15296)]