71507240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255383}}^1$

素因数の和:255401

約数の個数: 32

約数和(自身を含む): 183876480

約数和(自身を除く): 112369240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255383, 510766, 1021532, 1276915, 1787681, 2043064, 2553830, 3575362, 5107660, 7150724, 8938405, 10215320, 14301448, 17876810, 35753620, 71507240]

約数ペア:

[(1, 71507240), (2, 35753620), (4, 17876810), (5, 14301448), (7, 10215320), (8, 8938405), (10, 7150724), (14, 5107660), (20, 3575362), (28, 2553830), (35, 2043064), (40, 1787681), (56, 1276915), (70, 1021532), (140, 510766), (280, 255383)]