2146540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{887}}^1$

素因数の和:918

約数の個数: 36

約数和(自身を含む): 4960368

約数和(自身を除く): 2813828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 887, 1210, 1774, 2420, 3548, 4435, 8870, 9757, 17740, 19514, 39028, 48785, 97570, 107327, 195140, 214654, 429308, 536635, 1073270, 2146540]

約数ペア:

[(1, 2146540), (2, 1073270), (4, 536635), (5, 429308), (10, 214654), (11, 195140), (20, 107327), (22, 97570), (44, 48785), (55, 39028), (110, 19514), (121, 17740), (220, 9757), (242, 8870), (484, 4435), (605, 3548), (887, 2420), (1210, 1774)]