128243710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{2089}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 264242880

約数和(自身を除く): 135999170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 877, 1754, 2089, 4178, 4385, 6139, 8770, 10445, 12278, 14623, 20890, 29246, 30695, 61390, 73115, 146230, 1832053, 3664106, 9160265, 12824371, 18320530, 25648742, 64121855, 128243710]

約数ペア:

[(1, 128243710), (2, 64121855), (5, 25648742), (7, 18320530), (10, 12824371), (14, 9160265), (35, 3664106), (70, 1832053), (877, 146230), (1754, 73115), (2089, 61390), (4178, 30695), (4385, 29246), (6139, 20890), (8770, 14623), (10445, 12278)]