5438180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 13124160

約数和(自身を除く): 7685980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1301, 2090, 2602, 4180, 5204, 6505, 13010, 14311, 24719, 26020, 28622, 49438, 57244, 71555, 98876, 123595, 143110, 247190, 271909, 286220, 494380, 543818, 1087636, 1359545, 2719090, 5438180]

約数ペア:

[(1, 5438180), (2, 2719090), (4, 1359545), (5, 1087636), (10, 543818), (11, 494380), (19, 286220), (20, 271909), (22, 247190), (38, 143110), (44, 123595), (55, 98876), (76, 71555), (95, 57244), (110, 49438), (190, 28622), (209, 26020), (220, 24719), (380, 14311), (418, 13010), (836, 6505), (1045, 5204), (1301, 4180), (2090, 2602)]