202174840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1447}}^1$

素因数の和:1964

約数の個数: 64

約数和(自身を含む): 521280000

約数和(自身を除く): 319105160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1447, 1996, 2495, 2894, 3493, 3992, 4990, 5788, 6986, 7235, 9980, 10129, 11576, 13972, 14470, 17465, 19960, 20258, 27944, 28940, 34930, 40516, 50645, 57880, 69860, 81032, 101290, 139720, 202580, 405160, 722053, 1444106, 2888212, 3610265, 5054371, 5776424, 7220530, 10108742, 14441060, 20217484, 25271855, 28882120, 40434968, 50543710, 101087420, 202174840]

約数ペア:

[(1, 202174840), (2, 101087420), (4, 50543710), (5, 40434968), (7, 28882120), (8, 25271855), (10, 20217484), (14, 14441060), (20, 10108742), (28, 7220530), (35, 5776424), (40, 5054371), (56, 3610265), (70, 2888212), (140, 1444106), (280, 722053), (499, 405160), (998, 202580), (1447, 139720), (1996, 101290), (2495, 81032), (2894, 69860), (3493, 57880), (3992, 50645), (4990, 40516), (5788, 34930), (6986, 28940), (7235, 27944), (9980, 20258), (10129, 19960), (11576, 17465), (13972, 14470)]