2836820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 7112448

約数和(自身を除く): 4275628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 881, 1610, 1762, 3220, 3524, 4405, 6167, 8810, 12334, 17620, 20263, 24668, 30835, 40526, 61670, 81052, 101315, 123340, 141841, 202630, 283682, 405260, 567364, 709205, 1418410, 2836820]

約数ペア:

[(1, 2836820), (2, 1418410), (4, 709205), (5, 567364), (7, 405260), (10, 283682), (14, 202630), (20, 141841), (23, 123340), (28, 101315), (35, 81052), (46, 61670), (70, 40526), (92, 30835), (115, 24668), (140, 20263), (161, 17620), (230, 12334), (322, 8810), (460, 6167), (644, 4405), (805, 3524), (881, 3220), (1610, 1762)]