203426120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 473394240

約数和(自身を除く): 269968120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 101, 172, 202, 215, 344, 404, 430, 505, 808, 860, 1010, 1171, 1720, 2020, 2342, 4040, 4343, 4684, 5855, 8686, 9368, 11710, 17372, 21715, 23420, 34744, 43430, 46840, 50353, 86860, 100706, 118271, 173720, 201412, 236542, 251765, 402824, 473084, 503530, 591355, 946168, 1007060, 1182710, 2014120, 2365420, 4730840, 5085653, 10171306, 20342612, 25428265, 40685224, 50856530, 101713060, 203426120]

約数ペア:

[(1, 203426120), (2, 101713060), (4, 50856530), (5, 40685224), (8, 25428265), (10, 20342612), (20, 10171306), (40, 5085653), (43, 4730840), (86, 2365420), (101, 2014120), (172, 1182710), (202, 1007060), (215, 946168), (344, 591355), (404, 503530), (430, 473084), (505, 402824), (808, 251765), (860, 236542), (1010, 201412), (1171, 173720), (1720, 118271), (2020, 100706), (2342, 86860), (4040, 50353), (4343, 46840), (4684, 43430), (5855, 34744), (8686, 23420), (9368, 21715), (11710, 17372)]