205740980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{447263}}^1$

素因数の和:447295

約数の個数: 24

約数和(自身を含む): 450842112

約数和(自身を除く): 245101132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 447263, 894526, 1789052, 2236315, 4472630, 8945260, 10287049, 20574098, 41148196, 51435245, 102870490, 205740980]

約数ペア:

[(1, 205740980), (2, 102870490), (4, 51435245), (5, 41148196), (10, 20574098), (20, 10287049), (23, 8945260), (46, 4472630), (92, 2236315), (115, 1789052), (230, 894526), (460, 447263)]