19286750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 42052608

約数和(自身を除く): 22765858

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 103, 107, 125, 175, 206, 214, 250, 350, 515, 535, 721, 749, 875, 1030, 1070, 1442, 1498, 1750, 2575, 2675, 3605, 3745, 5150, 5350, 7210, 7490, 11021, 12875, 13375, 18025, 18725, 22042, 25750, 26750, 36050, 37450, 55105, 77147, 90125, 93625, 110210, 154294, 180250, 187250, 275525, 385735, 551050, 771470, 1377625, 1928675, 2755250, 3857350, 9643375, 19286750]

約数ペア:

[(1, 19286750), (2, 9643375), (5, 3857350), (7, 2755250), (10, 1928675), (14, 1377625), (25, 771470), (35, 551050), (50, 385735), (70, 275525), (103, 187250), (107, 180250), (125, 154294), (175, 110210), (206, 93625), (214, 90125), (250, 77147), (350, 55105), (515, 37450), (535, 36050), (721, 26750), (749, 25750), (875, 22042), (1030, 18725), (1070, 18025), (1442, 13375), (1498, 12875), (1750, 11021), (2575, 7490), (2675, 7210), (3605, 5350), (3745, 5150)]