400090676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{5264351}}^1$

素因数の和:5264374

約数の個数: 12

約数和(自身を含む): 737009280

約数和(自身を除く): 336918604

約数列:

[1, 2, 4, 19, 38, 76, 5264351, 10528702, 21057404, 100022669, 200045338, 400090676]

約数ペア:

[(1, 400090676), (2, 200045338), (4, 100022669), (19, 21057404), (38, 10528702), (76, 5264351)]