179177020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11471}}^1$

素因数の和:11562

約数の個数: 48

約数和(自身を含む): 416295936

約数和(自身を除く): 237118916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 11471, 15620, 22942, 45884, 57355, 114710, 126181, 229420, 252362, 504724, 630905, 814441, 1261810, 1628882, 2523620, 3257764, 4072205, 8144410, 8958851, 16288820, 17917702, 35835404, 44794255, 89588510, 179177020]

約数ペア:

[(1, 179177020), (2, 89588510), (4, 44794255), (5, 35835404), (10, 17917702), (11, 16288820), (20, 8958851), (22, 8144410), (44, 4072205), (55, 3257764), (71, 2523620), (110, 1628882), (142, 1261810), (220, 814441), (284, 630905), (355, 504724), (710, 252362), (781, 229420), (1420, 126181), (1562, 114710), (3124, 57355), (3905, 45884), (7810, 22942), (11471, 15620)]