2009503408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{1279}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 4342579200

約数和(自身を除く): 2333075792

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 113, 158, 176, 226, 316, 452, 632, 869, 904, 1243, 1264, 1279, 1738, 1808, 2486, 2558, 3476, 4972, 5116, 6952, 8927, 9944, 10232, 13904, 14069, 17854, 19888, 20464, 28138, 35708, 56276, 71416, 98197, 101041, 112552, 142832, 144527, 196394, 202082, 225104, 289054, 392788, 404164, 578108, 785576, 808328, 1111451, 1156216, 1571152, 1589797, 1616656, 2222902, 2312432, 3179594, 4445804, 6359188, 8891608, 11417633, 12718376, 17783216, 22835266, 25436752, 45670532, 91341064, 125593963, 182682128, 251187926, 502375852, 1004751704, 2009503408]

約数ペア:

[(1, 2009503408), (2, 1004751704), (4, 502375852), (8, 251187926), (11, 182682128), (16, 125593963), (22, 91341064), (44, 45670532), (79, 25436752), (88, 22835266), (113, 17783216), (158, 12718376), (176, 11417633), (226, 8891608), (316, 6359188), (452, 4445804), (632, 3179594), (869, 2312432), (904, 2222902), (1243, 1616656), (1264, 1589797), (1279, 1571152), (1738, 1156216), (1808, 1111451), (2486, 808328), (2558, 785576), (3476, 578108), (4972, 404164), (5116, 392788), (6952, 289054), (8927, 225104), (9944, 202082), (10232, 196394), (13904, 144527), (14069, 142832), (17854, 112552), (19888, 101041), (20464, 98197), (28138, 71416), (35708, 56276)]