139740890

素因数分解:

$2^1\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{5869}}^1$

素因数の和:8257

約数の個数: 16

約数和(自身を含む): 251682120

約数和(自身を除く): 111941230

約数列:

[1, 2, 5, 10, 2381, 4762, 5869, 11738, 11905, 23810, 29345, 58690, 13974089, 27948178, 69870445, 139740890]

約数ペア:

[(1, 139740890), (2, 69870445), (5, 27948178), (10, 13974089), (2381, 58690), (4762, 29345), (5869, 23810), (11738, 11905)]