3924380

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 8285760

約数和(自身を除く): 4361380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 821, 956, 1195, 1642, 2390, 3284, 4105, 4780, 8210, 16420, 196219, 392438, 784876, 981095, 1962190, 3924380]

約数ペア:

[(1, 3924380), (2, 1962190), (4, 981095), (5, 784876), (10, 392438), (20, 196219), (239, 16420), (478, 8210), (821, 4780), (956, 4105), (1195, 3284), (1642, 2390)]