2017402120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1\times {\mathrm{1123}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 4599947520

約数和(自身を除く): 2582545400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 463, 485, 776, 926, 970, 1123, 1852, 1940, 2246, 2315, 3704, 3880, 4492, 4630, 5615, 8984, 9260, 11230, 18520, 22460, 44911, 44920, 89822, 108931, 179644, 217862, 224555, 359288, 435724, 449110, 519949, 544655, 871448, 898220, 1039898, 1089310, 1796440, 2079796, 2178620, 2599745, 4159592, 4357240, 5199490, 10398980, 20797960, 50435053, 100870106, 201740212, 252175265, 403480424, 504350530, 1008701060, 2017402120]

約数ペア:

[(1, 2017402120), (2, 1008701060), (4, 504350530), (5, 403480424), (8, 252175265), (10, 201740212), (20, 100870106), (40, 50435053), (97, 20797960), (194, 10398980), (388, 5199490), (463, 4357240), (485, 4159592), (776, 2599745), (926, 2178620), (970, 2079796), (1123, 1796440), (1852, 1089310), (1940, 1039898), (2246, 898220), (2315, 871448), (3704, 544655), (3880, 519949), (4492, 449110), (4630, 435724), (5615, 359288), (8984, 224555), (9260, 217862), (11230, 179644), (18520, 108931), (22460, 89822), (44911, 44920)]