188008900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 435847104

約数和(自身を除く): 247838204

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, 1901, 1978, 2150, 2300, 3802, 3956, 4300, 4945, 7604, 9505, 9890, 19010, 19780, 24725, 38020, 43723, 47525, 49450, 81743, 87446, 95050, 98900, 163486, 174892, 190100, 218615, 326972, 408715, 437230, 817430, 874460, 1093075, 1634860, 1880089, 2043575, 2186150, 3760178, 4087150, 4372300, 7520356, 8174300, 9400445, 18800890, 37601780, 47002225, 94004450, 188008900]

約数ペア:

[(1, 188008900), (2, 94004450), (4, 47002225), (5, 37601780), (10, 18800890), (20, 9400445), (23, 8174300), (25, 7520356), (43, 4372300), (46, 4087150), (50, 3760178), (86, 2186150), (92, 2043575), (100, 1880089), (115, 1634860), (172, 1093075), (215, 874460), (230, 817430), (430, 437230), (460, 408715), (575, 326972), (860, 218615), (989, 190100), (1075, 174892), (1150, 163486), (1901, 98900), (1978, 95050), (2150, 87446), (2300, 81743), (3802, 49450), (3956, 47525), (4300, 43723), (4945, 38020), (7604, 24725), (9505, 19780), (9890, 19010)]