2009015900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{467213}}^1$

素因数の和:467270

約数の個数: 36

約数和(自身を含む): 4460959272

約数和(自身を除く): 2451943372

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 467213, 934426, 1868852, 2336065, 4672130, 9344260, 11680325, 20090159, 23360650, 40180318, 46721300, 80360636, 100450795, 200901590, 401803180, 502253975, 1004507950, 2009015900]

約数ペア:

[(1, 2009015900), (2, 1004507950), (4, 502253975), (5, 401803180), (10, 200901590), (20, 100450795), (25, 80360636), (43, 46721300), (50, 40180318), (86, 23360650), (100, 20090159), (172, 11680325), (215, 9344260), (430, 4672130), (860, 2336065), (1075, 1868852), (2150, 934426), (4300, 467213)]