210207925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 291409920

約数和(自身を除く): 81201995

約数列:

[1, 5, 19, 23, 25, 71, 95, 115, 271, 355, 437, 475, 575, 1349, 1355, 1633, 1775, 2185, 5149, 6233, 6745, 6775, 8165, 10925, 19241, 25745, 31027, 31165, 33725, 40825, 96205, 118427, 128725, 155135, 155825, 365579, 442543, 481025, 592135, 775675, 1827895, 2212715, 2960675, 8408317, 9139475, 11063575, 42041585, 210207925]

約数ペア:

[(1, 210207925), (5, 42041585), (19, 11063575), (23, 9139475), (25, 8408317), (71, 2960675), (95, 2212715), (115, 1827895), (271, 775675), (355, 592135), (437, 481025), (475, 442543), (575, 365579), (1349, 155825), (1355, 155135), (1633, 128725), (1775, 118427), (2185, 96205), (5149, 40825), (6233, 33725), (6745, 31165), (6775, 31027), (8165, 25745), (10925, 19241)]