202131025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 275607360

約数和(自身を除く): 73476335

約数列:

[1, 5, 19, 25, 41, 95, 97, 107, 205, 475, 485, 535, 779, 1025, 1843, 2033, 2425, 2675, 3895, 3977, 4387, 9215, 10165, 10379, 19475, 19885, 21935, 46075, 50825, 51895, 75563, 83353, 99425, 109675, 197201, 259475, 377815, 416765, 425539, 986005, 1889075, 2083825, 2127695, 4930025, 8085241, 10638475, 40426205, 202131025]

約数ペア:

[(1, 202131025), (5, 40426205), (19, 10638475), (25, 8085241), (41, 4930025), (95, 2127695), (97, 2083825), (107, 1889075), (205, 986005), (475, 425539), (485, 416765), (535, 377815), (779, 259475), (1025, 197201), (1843, 109675), (2033, 99425), (2425, 83353), (2675, 75563), (3895, 51895), (3977, 50825), (4387, 46075), (9215, 21935), (10165, 19885), (10379, 19475)]