2578621570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1487}}^1\times {\mathrm{3539}}^1$

素因数の和:5047

約数の個数: 48

約数和(自身を含む): 5404475520

約数和(自身を除く): 2825853950

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1487, 2974, 3539, 7078, 7435, 10409, 14870, 17695, 20818, 24773, 35390, 49546, 52045, 72863, 104090, 123865, 145726, 173411, 247730, 346822, 364315, 728630, 867055, 1734110, 5262493, 10524986, 26312465, 36837451, 52624930, 73674902, 184187255, 257862157, 368374510, 515724314, 1289310785, 2578621570]

約数ペア:

[(1, 2578621570), (2, 1289310785), (5, 515724314), (7, 368374510), (10, 257862157), (14, 184187255), (35, 73674902), (49, 52624930), (70, 36837451), (98, 26312465), (245, 10524986), (490, 5262493), (1487, 1734110), (2974, 867055), (3539, 728630), (7078, 364315), (7435, 346822), (10409, 247730), (14870, 173411), (17695, 145726), (20818, 123865), (24773, 104090), (35390, 72863), (49546, 52045)]