199935820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1428113}}^1$

素因数の和:1428129

約数の個数: 24

約数和(自身を含む): 479846304

約数和(自身を除く): 279910484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1428113, 2856226, 5712452, 7140565, 9996791, 14281130, 19993582, 28562260, 39987164, 49983955, 99967910, 199935820]

約数ペア:

[(1, 199935820), (2, 99967910), (4, 49983955), (5, 39987164), (7, 28562260), (10, 19993582), (14, 14281130), (20, 9996791), (28, 7140565), (35, 5712452), (70, 2856226), (140, 1428113)]