77784380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3271}}^1$

素因数の和:3350

約数の個数: 48

約数和(自身を含む): 173154240

約数和(自身を除く): 95369860

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 3271, 4756, 5945, 6542, 11890, 13084, 16355, 23780, 32710, 65420, 94859, 134111, 189718, 268222, 379436, 474295, 536444, 670555, 948590, 1341110, 1897180, 2682220, 3889219, 7778438, 15556876, 19446095, 38892190, 77784380]

約数ペア:

[(1, 77784380), (2, 38892190), (4, 19446095), (5, 15556876), (10, 7778438), (20, 3889219), (29, 2682220), (41, 1897180), (58, 1341110), (82, 948590), (116, 670555), (145, 536444), (164, 474295), (205, 379436), (290, 268222), (410, 189718), (580, 134111), (820, 94859), (1189, 65420), (2378, 32710), (3271, 23780), (4756, 16355), (5945, 13084), (6542, 11890)]