278322380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{7559}}^1$

素因数の和:7838

約数の個数: 48

約数和(自身を含む): 670602240

約数和(自身を除く): 392279860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2630, 3682, 5260, 7364, 7559, 9205, 15118, 18410, 30236, 36820, 37795, 52913, 75590, 105826, 151180, 211652, 264565, 529130, 1058260, 1988017, 3976034, 7952068, 9940085, 13916119, 19880170, 27832238, 39760340, 55664476, 69580595, 139161190, 278322380]

約数ペア:

[(1, 278322380), (2, 139161190), (4, 69580595), (5, 55664476), (7, 39760340), (10, 27832238), (14, 19880170), (20, 13916119), (28, 9940085), (35, 7952068), (70, 3976034), (140, 1988017), (263, 1058260), (526, 529130), (1052, 264565), (1315, 211652), (1841, 151180), (2630, 105826), (3682, 75590), (5260, 52913), (7364, 37795), (7559, 36820), (9205, 30236), (15118, 18410)]