85860740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{87613}}^1$

素因数の和:87636

約数の個数: 36

約数和(自身を含む): 209747916

約数和(自身を除く): 123887176

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 87613, 175226, 350452, 438065, 613291, 876130, 1226582, 1752260, 2453164, 3066455, 4293037, 6132910, 8586074, 12265820, 17172148, 21465185, 42930370, 85860740]

約数ペア:

[(1, 85860740), (2, 42930370), (4, 21465185), (5, 17172148), (7, 12265820), (10, 8586074), (14, 6132910), (20, 4293037), (28, 3066455), (35, 2453164), (49, 1752260), (70, 1226582), (98, 876130), (140, 613291), (196, 438065), (245, 350452), (490, 175226), (980, 87613)]