29986220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12391}}^1$

素因数の和:12422

約数の個数: 36

約数和(自身を含む): 69221712

約数和(自身を除く): 39235492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12391, 24782, 49564, 61955, 123910, 136301, 247820, 272602, 545204, 681505, 1363010, 1499311, 2726020, 2998622, 5997244, 7496555, 14993110, 29986220]

約数ペア:

[(1, 29986220), (2, 14993110), (4, 7496555), (5, 5997244), (10, 2998622), (11, 2726020), (20, 1499311), (22, 1363010), (44, 681505), (55, 545204), (110, 272602), (121, 247820), (220, 136301), (242, 123910), (484, 61955), (605, 49564), (1210, 24782), (2420, 12391)]