27803720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 44426680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 911, 1090, 1526, 1822, 2180, 3052, 3644, 3815, 4360, 4555, 6104, 6377, 7288, 7630, 9110, 12754, 15260, 18220, 25508, 30520, 31885, 36440, 51016, 63770, 99299, 127540, 198598, 255080, 397196, 496495, 695093, 794392, 992990, 1390186, 1985980, 2780372, 3475465, 3971960, 5560744, 6950930, 13901860, 27803720]

約数ペア:

[(1, 27803720), (2, 13901860), (4, 6950930), (5, 5560744), (7, 3971960), (8, 3475465), (10, 2780372), (14, 1985980), (20, 1390186), (28, 992990), (35, 794392), (40, 695093), (56, 496495), (70, 397196), (109, 255080), (140, 198598), (218, 127540), (280, 99299), (436, 63770), (545, 51016), (763, 36440), (872, 31885), (911, 30520), (1090, 25508), (1526, 18220), (1822, 15260), (2180, 12754), (3052, 9110), (3644, 7630), (3815, 7288), (4360, 6377), (4555, 6104)]