209921710

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{139021}}^1$

素因数の和:139179

約数の個数: 16

約数和(自身を含む): 380364192

約数和(自身を除く): 170442482

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 139021, 278042, 695105, 1390210, 20992171, 41984342, 104960855, 209921710]

約数ペア:

[(1, 209921710), (2, 104960855), (5, 41984342), (10, 20992171), (151, 1390210), (302, 695105), (755, 278042), (1510, 139021)]