209940738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2549}}^1$

素因数の和:2651

約数の個数: 64

約数和(自身を含む): 502329600

約数和(自身を除く): 292388862

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 53, 74, 106, 111, 159, 222, 259, 318, 371, 518, 742, 777, 1113, 1554, 1961, 2226, 2549, 3922, 5098, 5883, 7647, 11766, 13727, 15294, 17843, 27454, 35686, 41181, 53529, 82362, 94313, 107058, 135097, 188626, 270194, 282939, 405291, 565878, 660191, 810582, 945679, 1320382, 1891358, 1980573, 2837037, 3961146, 4998589, 5674074, 9997178, 14995767, 29991534, 34990123, 69980246, 104970369, 209940738]

約数ペア:

[(1, 209940738), (2, 104970369), (3, 69980246), (6, 34990123), (7, 29991534), (14, 14995767), (21, 9997178), (37, 5674074), (42, 4998589), (53, 3961146), (74, 2837037), (106, 1980573), (111, 1891358), (159, 1320382), (222, 945679), (259, 810582), (318, 660191), (371, 565878), (518, 405291), (742, 282939), (777, 270194), (1113, 188626), (1554, 135097), (1961, 107058), (2226, 94313), (2549, 82362), (3922, 53529), (5098, 41181), (5883, 35686), (7647, 27454), (11766, 17843), (13727, 15294)]