1970026370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 3865881600

約数和(自身を除く): 1895855230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 271, 281, 398, 542, 562, 995, 1355, 1405, 1990, 2587, 2710, 2810, 3523, 3653, 5174, 7046, 7306, 12935, 17615, 18265, 25870, 35230, 36530, 53929, 55919, 76151, 107858, 111838, 152302, 269645, 279595, 380755, 539290, 559190, 701077, 726947, 761510, 989963, 1402154, 1453894, 1979926, 3505385, 3634735, 4949815, 7010770, 7269470, 9899630, 15154049, 30308098, 75770245, 151540490, 197002637, 394005274, 985013185, 1970026370]

約数ペア:

[(1, 1970026370), (2, 985013185), (5, 394005274), (10, 197002637), (13, 151540490), (26, 75770245), (65, 30308098), (130, 15154049), (199, 9899630), (271, 7269470), (281, 7010770), (398, 4949815), (542, 3634735), (562, 3505385), (995, 1979926), (1355, 1453894), (1405, 1402154), (1990, 989963), (2587, 761510), (2710, 726947), (2810, 701077), (3523, 559190), (3653, 539290), (5174, 380755), (7046, 279595), (7306, 269645), (12935, 152302), (17615, 111838), (18265, 107858), (25870, 76151), (35230, 55919), (36530, 53929)]