259462420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{63907}}^1$

素因数の和:63952

約数の個数: 48

約数和(自身を含む): 644192640

約数和(自身を除く): 384730220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 63907, 127814, 255628, 319535, 447349, 639070, 894698, 1278140, 1789396, 1853303, 2236745, 3706606, 4473490, 7413212, 8946980, 9266515, 12973121, 18533030, 25946242, 37066060, 51892484, 64865605, 129731210, 259462420]

約数ペア:

[(1, 259462420), (2, 129731210), (4, 64865605), (5, 51892484), (7, 37066060), (10, 25946242), (14, 18533030), (20, 12973121), (28, 9266515), (29, 8946980), (35, 7413212), (58, 4473490), (70, 3706606), (116, 2236745), (140, 1853303), (145, 1789396), (203, 1278140), (290, 894698), (406, 639070), (580, 447349), (812, 319535), (1015, 255628), (2030, 127814), (4060, 63907)]