216403780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{470443}}^1$

素因数の和:470475

約数の個数: 24

約数和(自身を含む): 474207552

約数和(自身を除く): 257803772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 470443, 940886, 1881772, 2352215, 4704430, 9408860, 10820189, 21640378, 43280756, 54100945, 108201890, 216403780]

約数ペア:

[(1, 216403780), (2, 108201890), (4, 54100945), (5, 43280756), (10, 21640378), (20, 10820189), (23, 9408860), (46, 4704430), (92, 2352215), (115, 1881772), (230, 940886), (460, 470443)]