219448520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{238531}}^1$

素因数の和:238565

約数の個数: 32

約数和(自身を含む): 515229120

約数和(自身を除く): 295780600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 238531, 477062, 954124, 1192655, 1908248, 2385310, 4770620, 5486213, 9541240, 10972426, 21944852, 27431065, 43889704, 54862130, 109724260, 219448520]

約数ペア:

[(1, 219448520), (2, 109724260), (4, 54862130), (5, 43889704), (8, 27431065), (10, 21944852), (20, 10972426), (23, 9541240), (40, 5486213), (46, 4770620), (92, 2385310), (115, 1908248), (184, 1192655), (230, 954124), (460, 477062), (920, 238531)]