2499702940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{63541}}^1$

素因数の和:63838

約数の個数: 48

約数和(自身を含む): 6020731584

約数和(自身を除く): 3521028644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2810, 3934, 5620, 7868, 9835, 19670, 39340, 63541, 127082, 254164, 317705, 444787, 635410, 889574, 1270820, 1779148, 2223935, 4447870, 8895740, 17855021, 35710042, 71420084, 89275105, 124985147, 178550210, 249970294, 357100420, 499940588, 624925735, 1249851470, 2499702940]

約数ペア:

[(1, 2499702940), (2, 1249851470), (4, 624925735), (5, 499940588), (7, 357100420), (10, 249970294), (14, 178550210), (20, 124985147), (28, 89275105), (35, 71420084), (70, 35710042), (140, 17855021), (281, 8895740), (562, 4447870), (1124, 2223935), (1405, 1779148), (1967, 1270820), (2810, 889574), (3934, 635410), (5620, 444787), (7868, 317705), (9835, 254164), (19670, 127082), (39340, 63541)]