121607380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{85639}}^1$

素因数の和:85719

約数の個数: 24

約数和(自身を含む): 258975360

約数和(自身を除く): 137367980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 85639, 171278, 342556, 428195, 856390, 1712780, 6080369, 12160738, 24321476, 30401845, 60803690, 121607380]

約数ペア:

[(1, 121607380), (2, 60803690), (4, 30401845), (5, 24321476), (10, 12160738), (20, 6080369), (71, 1712780), (142, 856390), (284, 428195), (355, 342556), (710, 171278), (1420, 85639)]