209715350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16981}}^1$

素因数の和:17025

約数の個数: 48

約数和(自身を含む): 442211280

約数和(自身を除く): 232495930

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 6175, 12350, 16981, 33962, 84905, 169810, 220753, 322639, 424525, 441506, 645278, 849050, 1103765, 1613195, 2207530, 3226390, 4194307, 5518825, 8065975, 8388614, 11037650, 16131950, 20971535, 41943070, 104857675, 209715350]

約数ペア:

[(1, 209715350), (2, 104857675), (5, 41943070), (10, 20971535), (13, 16131950), (19, 11037650), (25, 8388614), (26, 8065975), (38, 5518825), (50, 4194307), (65, 3226390), (95, 2207530), (130, 1613195), (190, 1103765), (247, 849050), (325, 645278), (475, 441506), (494, 424525), (650, 322639), (950, 220753), (1235, 169810), (2470, 84905), (6175, 33962), (12350, 16981)]