2008493860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{18269}}^1$

素因数の和:18540

約数の個数: 48

約数和(自身を含む): 4419878400

約数和(自身を除く): 2411384540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 239, 460, 478, 956, 1195, 2390, 4780, 5497, 10994, 18269, 21988, 27485, 36538, 54970, 73076, 91345, 109940, 182690, 365380, 420187, 840374, 1680748, 2100935, 4201870, 4366291, 8403740, 8732582, 17465164, 21831455, 43662910, 87325820, 100424693, 200849386, 401698772, 502123465, 1004246930, 2008493860]

約数ペア:

[(1, 2008493860), (2, 1004246930), (4, 502123465), (5, 401698772), (10, 200849386), (20, 100424693), (23, 87325820), (46, 43662910), (92, 21831455), (115, 17465164), (230, 8732582), (239, 8403740), (460, 4366291), (478, 4201870), (956, 2100935), (1195, 1680748), (2390, 840374), (4780, 420187), (5497, 365380), (10994, 182690), (18269, 109940), (21988, 91345), (27485, 73076), (36538, 54970)]