215540930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{3361}}^1$

素因数の和:3443

約数の個数: 48

約数和(自身を含む): 434625912

約数和(自身を除く): 219084982

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 121, 242, 265, 530, 583, 605, 1166, 1210, 2915, 3361, 5830, 6413, 6722, 12826, 16805, 32065, 33610, 36971, 64130, 73942, 178133, 184855, 356266, 369710, 406681, 813362, 890665, 1781330, 1959463, 2033405, 3918926, 4066810, 9797315, 19594630, 21554093, 43108186, 107770465, 215540930]

約数ペア:

[(1, 215540930), (2, 107770465), (5, 43108186), (10, 21554093), (11, 19594630), (22, 9797315), (53, 4066810), (55, 3918926), (106, 2033405), (110, 1959463), (121, 1781330), (242, 890665), (265, 813362), (530, 406681), (583, 369710), (605, 356266), (1166, 184855), (1210, 178133), (2915, 73942), (3361, 64130), (5830, 36971), (6413, 33610), (6722, 32065), (12826, 16805)]