2154462380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2198431}}^1$

素因数の和:2198454

約数の個数: 36

約数和(自身を含む): 5263046208

約数和(自身を除く): 3108583828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2198431, 4396862, 8793724, 10992155, 15389017, 21984310, 30778034, 43968620, 61556068, 76945085, 107723119, 153890170, 215446238, 307780340, 430892476, 538615595, 1077231190, 2154462380]

約数ペア:

[(1, 2154462380), (2, 1077231190), (4, 538615595), (5, 430892476), (7, 307780340), (10, 215446238), (14, 153890170), (20, 107723119), (28, 76945085), (35, 61556068), (49, 43968620), (70, 30778034), (98, 21984310), (140, 15389017), (196, 10992155), (245, 8793724), (490, 4396862), (980, 2198431)]