201905020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2753}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 448791840

約数和(自身を除く): 246886820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 965, 1930, 2753, 3667, 3860, 5506, 7334, 11012, 13765, 14668, 18335, 27530, 36670, 52307, 55060, 73340, 104614, 209228, 261535, 523070, 531329, 1046140, 1062658, 2125316, 2656645, 5313290, 10095251, 10626580, 20190502, 40381004, 50476255, 100952510, 201905020]

約数ペア:

[(1, 201905020), (2, 100952510), (4, 50476255), (5, 40381004), (10, 20190502), (19, 10626580), (20, 10095251), (38, 5313290), (76, 2656645), (95, 2125316), (190, 1062658), (193, 1046140), (380, 531329), (386, 523070), (772, 261535), (965, 209228), (1930, 104614), (2753, 73340), (3667, 55060), (3860, 52307), (5506, 36670), (7334, 27530), (11012, 18335), (13765, 14668)]