77539220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179}}^2$

素因数の和:389

約数の個数: 54

約数和(自身を含む): 179986506

約数和(自身を除く): 102447286

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 179, 220, 242, 358, 484, 605, 716, 895, 1210, 1790, 1969, 2420, 3580, 3938, 7876, 9845, 19690, 21659, 32041, 39380, 43318, 64082, 86636, 108295, 128164, 160205, 216590, 320410, 352451, 433180, 640820, 704902, 1409804, 1762255, 3524510, 3876961, 7049020, 7753922, 15507844, 19384805, 38769610, 77539220]

約数ペア:

[(1, 77539220), (2, 38769610), (4, 19384805), (5, 15507844), (10, 7753922), (11, 7049020), (20, 3876961), (22, 3524510), (44, 1762255), (55, 1409804), (110, 704902), (121, 640820), (179, 433180), (220, 352451), (242, 320410), (358, 216590), (484, 160205), (605, 128164), (716, 108295), (895, 86636), (1210, 64082), (1790, 43318), (1969, 39380), (2420, 32041), (3580, 21659), (3938, 19690), (7876, 9845)]