84165340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12269}}^1$

素因数の和:12299

約数の個数: 48

約数和(自身を含む): 206136000

約数和(自身を除く): 121970660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12269, 24538, 49076, 61345, 85883, 122690, 171766, 245380, 343532, 429415, 601181, 858830, 1202362, 1717660, 2404724, 3005905, 4208267, 6011810, 8416534, 12023620, 16833068, 21041335, 42082670, 84165340]

約数ペア:

[(1, 84165340), (2, 42082670), (4, 21041335), (5, 16833068), (7, 12023620), (10, 8416534), (14, 6011810), (20, 4208267), (28, 3005905), (35, 2404724), (49, 1717660), (70, 1202362), (98, 858830), (140, 601181), (196, 429415), (245, 343532), (343, 245380), (490, 171766), (686, 122690), (980, 85883), (1372, 61345), (1715, 49076), (3430, 24538), (6860, 12269)]