90200740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{644291}}^1$

素因数の和:644307

約数の個数: 24

約数和(自身を含む): 216482112

約数和(自身を除く): 126281372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 644291, 1288582, 2577164, 3221455, 4510037, 6442910, 9020074, 12885820, 18040148, 22550185, 45100370, 90200740]

約数ペア:

[(1, 90200740), (2, 45100370), (4, 22550185), (5, 18040148), (7, 12885820), (10, 9020074), (14, 6442910), (20, 4510037), (28, 3221455), (35, 2577164), (70, 1288582), (140, 644291)]