249520640

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3361}}^1$

素因数の和:3413

約数の個数: 80

約数和(自身を含む): 619078680

約数和(自身を除く): 369558040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1160, 1280, 1856, 2320, 2560, 3361, 3712, 4640, 6722, 7424, 9280, 13444, 14848, 16805, 18560, 26888, 33610, 37120, 53776, 67220, 74240, 97469, 107552, 134440, 194938, 215104, 268880, 389876, 430208, 487345, 537760, 779752, 860416, 974690, 1075520, 1559504, 1720832, 1949380, 2151040, 3119008, 3898760, 4302080, 6238016, 7797520, 8604160, 12476032, 15595040, 24952064, 31190080, 49904128, 62380160, 124760320, 249520640]

約数ペア:

[(1, 249520640), (2, 124760320), (4, 62380160), (5, 49904128), (8, 31190080), (10, 24952064), (16, 15595040), (20, 12476032), (29, 8604160), (32, 7797520), (40, 6238016), (58, 4302080), (64, 3898760), (80, 3119008), (116, 2151040), (128, 1949380), (145, 1720832), (160, 1559504), (232, 1075520), (256, 974690), (290, 860416), (320, 779752), (464, 537760), (512, 487345), (580, 430208), (640, 389876), (928, 268880), (1160, 215104), (1280, 194938), (1856, 134440), (2320, 107552), (2560, 97469), (3361, 74240), (3712, 67220), (4640, 53776), (6722, 37120), (7424, 33610), (9280, 26888), (13444, 18560), (14848, 16805)]