291234260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{217339}}^1$

素因数の和:217415

約数の個数: 24

約数和(自身を含む): 620723040

約数和(自身を除く): 329488780

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 217339, 434678, 869356, 1086695, 2173390, 4346780, 14561713, 29123426, 58246852, 72808565, 145617130, 291234260]

約数ペア:

[(1, 291234260), (2, 145617130), (4, 72808565), (5, 58246852), (10, 29123426), (20, 14561713), (67, 4346780), (134, 2173390), (268, 1086695), (335, 869356), (670, 434678), (1340, 217339)]