6644200

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 15624000

約数和(自身を除く): 8979800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 239, 278, 478, 556, 695, 956, 1112, 1195, 1390, 1912, 2390, 2780, 3475, 4780, 5560, 5975, 6950, 9560, 11950, 13900, 23900, 27800, 33221, 47800, 66442, 132884, 166105, 265768, 332210, 664420, 830525, 1328840, 1661050, 3322100, 6644200]

約数ペア:

[(1, 6644200), (2, 3322100), (4, 1661050), (5, 1328840), (8, 830525), (10, 664420), (20, 332210), (25, 265768), (40, 166105), (50, 132884), (100, 66442), (139, 47800), (200, 33221), (239, 27800), (278, 23900), (478, 13900), (556, 11950), (695, 9560), (956, 6950), (1112, 5975), (1195, 5560), (1390, 4780), (1912, 3475), (2390, 2780)]