201771920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{360307}}^1$

素因数の和:360327

約数の個数: 40

約数和(自身を含む): 536138304

約数和(自身を除く): 334366384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 360307, 720614, 1441228, 1801535, 2522149, 2882456, 3603070, 5044298, 5764912, 7206140, 10088596, 12610745, 14412280, 20177192, 25221490, 28824560, 40354384, 50442980, 100885960, 201771920]

約数ペア:

[(1, 201771920), (2, 100885960), (4, 50442980), (5, 40354384), (7, 28824560), (8, 25221490), (10, 20177192), (14, 14412280), (16, 12610745), (20, 10088596), (28, 7206140), (35, 5764912), (40, 5044298), (56, 3603070), (70, 2882456), (80, 2522149), (112, 1801535), (140, 1441228), (280, 720614), (560, 360307)]