209909050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6871}}^1$

素因数の和:6943

約数の個数: 48

約数和(自身を含む): 429472512

約数和(自身を除く): 219563462

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 325, 470, 611, 650, 1175, 1222, 2350, 3055, 6110, 6871, 13742, 15275, 30550, 34355, 68710, 89323, 171775, 178646, 322937, 343550, 446615, 645874, 893230, 1614685, 2233075, 3229370, 4198181, 4466150, 8073425, 8396362, 16146850, 20990905, 41981810, 104954525, 209909050]

約数ペア:

[(1, 209909050), (2, 104954525), (5, 41981810), (10, 20990905), (13, 16146850), (25, 8396362), (26, 8073425), (47, 4466150), (50, 4198181), (65, 3229370), (94, 2233075), (130, 1614685), (235, 893230), (325, 645874), (470, 446615), (611, 343550), (650, 322937), (1175, 178646), (1222, 171775), (2350, 89323), (3055, 68710), (6110, 34355), (6871, 30550), (13742, 15275)]