18888931700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{432241}}^1$

素因数の和:432297

約数の個数: 72

約数和(自身を含む): 45022326720

約数和(自身を除く): 26133395020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 874, 950, 1150, 1748, 1900, 2185, 2300, 4370, 8740, 10925, 21850, 43700, 432241, 864482, 1728964, 2161205, 4322410, 8212579, 8644820, 9941543, 10806025, 16425158, 19883086, 21612050, 32850316, 39766172, 41062895, 43224100, 49707715, 82125790, 99415430, 164251580, 188889317, 198830860, 205314475, 248538575, 377778634, 410628950, 497077150, 755557268, 821257900, 944446585, 994154300, 1888893170, 3777786340, 4722232925, 9444465850, 18888931700]

約数ペア:

[(1, 18888931700), (2, 9444465850), (4, 4722232925), (5, 3777786340), (10, 1888893170), (19, 994154300), (20, 944446585), (23, 821257900), (25, 755557268), (38, 497077150), (46, 410628950), (50, 377778634), (76, 248538575), (92, 205314475), (95, 198830860), (100, 188889317), (115, 164251580), (190, 99415430), (230, 82125790), (380, 49707715), (437, 43224100), (460, 41062895), (475, 39766172), (575, 32850316), (874, 21612050), (950, 19883086), (1150, 16425158), (1748, 10806025), (1900, 9941543), (2185, 8644820), (2300, 8212579), (4370, 4322410), (8740, 2161205), (10925, 1728964), (21850, 864482), (43700, 432241)]