209317450

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 397083960

約数和(自身を除く): 187766510

約数列:

[1, 2, 5, 10, 25, 50, 101, 181, 202, 229, 362, 458, 505, 905, 1010, 1145, 1810, 2290, 2525, 4525, 5050, 5725, 9050, 11450, 18281, 23129, 36562, 41449, 46258, 82898, 91405, 115645, 182810, 207245, 231290, 414490, 457025, 578225, 914050, 1036225, 1156450, 2072450, 4186349, 8372698, 20931745, 41863490, 104658725, 209317450]

約数ペア:

[(1, 209317450), (2, 104658725), (5, 41863490), (10, 20931745), (25, 8372698), (50, 4186349), (101, 2072450), (181, 1156450), (202, 1036225), (229, 914050), (362, 578225), (458, 457025), (505, 414490), (905, 231290), (1010, 207245), (1145, 182810), (1810, 115645), (2290, 91405), (2525, 82898), (4525, 46258), (5050, 41449), (5725, 36562), (9050, 23129), (11450, 18281)]