217425400

素因数分解:

$2^3\times 5^2\times {\mathrm{991}}^1\times {\mathrm{1097}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 506485440

約数和(自身を除く): 289060040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 991, 1097, 1982, 2194, 3964, 4388, 4955, 5485, 7928, 8776, 9910, 10970, 19820, 21940, 24775, 27425, 39640, 43880, 49550, 54850, 99100, 109700, 198200, 219400, 1087127, 2174254, 4348508, 5435635, 8697016, 10871270, 21742540, 27178175, 43485080, 54356350, 108712700, 217425400]

約数ペア:

[(1, 217425400), (2, 108712700), (4, 54356350), (5, 43485080), (8, 27178175), (10, 21742540), (20, 10871270), (25, 8697016), (40, 5435635), (50, 4348508), (100, 2174254), (200, 1087127), (991, 219400), (1097, 198200), (1982, 109700), (2194, 99100), (3964, 54850), (4388, 49550), (4955, 43880), (5485, 39640), (7928, 27425), (8776, 24775), (9910, 21940), (10970, 19820)]