209950384

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 479380032

約数和(自身を除く): 269429648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 113, 212, 226, 313, 371, 424, 452, 626, 742, 791, 848, 904, 1252, 1484, 1582, 1808, 2191, 2504, 2968, 3164, 4382, 5008, 5936, 5989, 6328, 8764, 11978, 12656, 16589, 17528, 23956, 33178, 35056, 35369, 41923, 47912, 66356, 70738, 83846, 95824, 116123, 132712, 141476, 167692, 232246, 247583, 265424, 282952, 335384, 464492, 495166, 565904, 670768, 928984, 990332, 1857968, 1874557, 1980664, 3749114, 3961328, 7498228, 13121899, 14996456, 26243798, 29992912, 52487596, 104975192, 209950384]

約数ペア:

[(1, 209950384), (2, 104975192), (4, 52487596), (7, 29992912), (8, 26243798), (14, 14996456), (16, 13121899), (28, 7498228), (53, 3961328), (56, 3749114), (106, 1980664), (112, 1874557), (113, 1857968), (212, 990332), (226, 928984), (313, 670768), (371, 565904), (424, 495166), (452, 464492), (626, 335384), (742, 282952), (791, 265424), (848, 247583), (904, 232246), (1252, 167692), (1484, 141476), (1582, 132712), (1808, 116123), (2191, 95824), (2504, 83846), (2968, 70738), (3164, 66356), (4382, 47912), (5008, 41923), (5936, 35369), (5989, 35056), (6328, 33178), (8764, 23956), (11978, 17528), (12656, 16589)]