209535980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{455513}}^1$

素因数の和:455545

約数の個数: 24

約数和(自身を含む): 459158112

約数和(自身を除く): 249622132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 455513, 911026, 1822052, 2277565, 4555130, 9110260, 10476799, 20953598, 41907196, 52383995, 104767990, 209535980]

約数ペア:

[(1, 209535980), (2, 104767990), (4, 52383995), (5, 41907196), (10, 20953598), (20, 10476799), (23, 9110260), (46, 4555130), (92, 2277565), (115, 1822052), (230, 911026), (460, 455513)]