287863390

素因数分解:

$2^1\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{7159}}^1$

素因数の和:11187

約数の個数: 16

約数和(自身を含む): 518355360

約数和(自身を除く): 230491970

約数列:

[1, 2, 5, 10, 4021, 7159, 8042, 14318, 20105, 35795, 40210, 71590, 28786339, 57572678, 143931695, 287863390]

約数ペア:

[(1, 287863390), (2, 143931695), (5, 57572678), (10, 28786339), (4021, 71590), (7159, 40210), (8042, 35795), (14318, 20105)]