312047140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{232871}}^1$

素因数の和:232947

約数の個数: 24

約数和(自身を含む): 665082432

約数和(自身を除く): 353035292

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 232871, 465742, 931484, 1164355, 2328710, 4657420, 15602357, 31204714, 62409428, 78011785, 156023570, 312047140]

約数ペア:

[(1, 312047140), (2, 156023570), (4, 78011785), (5, 62409428), (10, 31204714), (20, 15602357), (67, 4657420), (134, 2328710), (268, 1164355), (335, 931484), (670, 465742), (1340, 232871)]