396520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 933120

約数和(自身を除く): 536600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 431, 460, 862, 920, 1724, 2155, 3448, 4310, 8620, 9913, 17240, 19826, 39652, 49565, 79304, 99130, 198260, 396520]

約数ペア:

[(1, 396520), (2, 198260), (4, 99130), (5, 79304), (8, 49565), (10, 39652), (20, 19826), (23, 17240), (40, 9913), (46, 8620), (92, 4310), (115, 3448), (184, 2155), (230, 1724), (431, 920), (460, 862)]