243530260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{181739}}^1$

素因数の和:181815

約数の個数: 24

約数和(自身を含む): 519049440

約数和(自身を除く): 275519180

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 181739, 363478, 726956, 908695, 1817390, 3634780, 12176513, 24353026, 48706052, 60882565, 121765130, 243530260]

約数ペア:

[(1, 243530260), (2, 121765130), (4, 60882565), (5, 48706052), (10, 24353026), (20, 12176513), (67, 3634780), (134, 1817390), (268, 908695), (335, 726956), (670, 363478), (1340, 181739)]