204030700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2143

約数の個数: 72

約数和(自身を含む): 472969728

約数和(自身を除く): 268939028

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 575, 860, 989, 1075, 1150, 1978, 2063, 2150, 2300, 3956, 4126, 4300, 4945, 8252, 9890, 10315, 19780, 20630, 24725, 41260, 47449, 49450, 51575, 88709, 94898, 98900, 103150, 177418, 189796, 206300, 237245, 354836, 443545, 474490, 887090, 948980, 1186225, 1774180, 2040307, 2217725, 2372450, 4080614, 4435450, 4744900, 8161228, 8870900, 10201535, 20403070, 40806140, 51007675, 102015350, 204030700]

約数ペア:

[(1, 204030700), (2, 102015350), (4, 51007675), (5, 40806140), (10, 20403070), (20, 10201535), (23, 8870900), (25, 8161228), (43, 4744900), (46, 4435450), (50, 4080614), (86, 2372450), (92, 2217725), (100, 2040307), (115, 1774180), (172, 1186225), (215, 948980), (230, 887090), (430, 474490), (460, 443545), (575, 354836), (860, 237245), (989, 206300), (1075, 189796), (1150, 177418), (1978, 103150), (2063, 98900), (2150, 94898), (2300, 88709), (3956, 51575), (4126, 49450), (4300, 47449), (4945, 41260), (8252, 24725), (9890, 20630), (10315, 19780)]