43239940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 93848832

約数和(自身を除く): 50608892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 367, 430, 548, 685, 734, 860, 1370, 1468, 1835, 2740, 3670, 5891, 7340, 11782, 15781, 23564, 29455, 31562, 50279, 58910, 63124, 78905, 100558, 117820, 157810, 201116, 251395, 315620, 502790, 1005580, 2161997, 4323994, 8647988, 10809985, 21619970, 43239940]

約数ペア:

[(1, 43239940), (2, 21619970), (4, 10809985), (5, 8647988), (10, 4323994), (20, 2161997), (43, 1005580), (86, 502790), (137, 315620), (172, 251395), (215, 201116), (274, 157810), (367, 117820), (430, 100558), (548, 78905), (685, 63124), (734, 58910), (860, 50279), (1370, 31562), (1468, 29455), (1835, 23564), (2740, 15781), (3670, 11782), (5891, 7340)]