394199120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:697

約数の個数: 120

約数和(自身を含む): 1073261664

約数和(自身を除く): 679062544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 227, 245, 280, 392, 443, 454, 490, 560, 784, 886, 908, 980, 1135, 1589, 1772, 1816, 1960, 2215, 2270, 3101, 3178, 3544, 3632, 3920, 4430, 4540, 6202, 6356, 7088, 7945, 8860, 9080, 11123, 12404, 12712, 15505, 15890, 17720, 18160, 21707, 22246, 24808, 25424, 31010, 31780, 35440, 43414, 44492, 49616, 55615, 62020, 63560, 86828, 88984, 100561, 108535, 111230, 124040, 127120, 173656, 177968, 201122, 217070, 222460, 248080, 347312, 402244, 434140, 444920, 502805, 703927, 804488, 868280, 889840, 1005610, 1407854, 1608976, 1736560, 2011220, 2815708, 3519635, 4022440, 4927489, 5631416, 7039270, 8044880, 9854978, 11262832, 14078540, 19709956, 24637445, 28157080, 39419912, 49274890, 56314160, 78839824, 98549780, 197099560, 394199120]

約数ペア:

[(1, 394199120), (2, 197099560), (4, 98549780), (5, 78839824), (7, 56314160), (8, 49274890), (10, 39419912), (14, 28157080), (16, 24637445), (20, 19709956), (28, 14078540), (35, 11262832), (40, 9854978), (49, 8044880), (56, 7039270), (70, 5631416), (80, 4927489), (98, 4022440), (112, 3519635), (140, 2815708), (196, 2011220), (227, 1736560), (245, 1608976), (280, 1407854), (392, 1005610), (443, 889840), (454, 868280), (490, 804488), (560, 703927), (784, 502805), (886, 444920), (908, 434140), (980, 402244), (1135, 347312), (1589, 248080), (1772, 222460), (1816, 217070), (1960, 201122), (2215, 177968), (2270, 173656), (3101, 127120), (3178, 124040), (3544, 111230), (3632, 108535), (3920, 100561), (4430, 88984), (4540, 86828), (6202, 63560), (6356, 62020), (7088, 55615), (7945, 49616), (8860, 44492), (9080, 43414), (11123, 35440), (12404, 31780), (12712, 31010), (15505, 25424), (15890, 24808), (17720, 22246), (18160, 21707)]