971304460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{991127}}^1$

素因数の和:991150

約数の個数: 36

約数和(自身を含む): 2372760432

約数和(自身を除く): 1401455972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 991127, 1982254, 3964508, 4955635, 6937889, 9911270, 13875778, 19822540, 27751556, 34689445, 48565223, 69378890, 97130446, 138757780, 194260892, 242826115, 485652230, 971304460]

約数ペア:

[(1, 971304460), (2, 485652230), (4, 242826115), (5, 194260892), (7, 138757780), (10, 97130446), (14, 69378890), (20, 48565223), (28, 34689445), (35, 27751556), (49, 19822540), (70, 13875778), (98, 9911270), (140, 6937889), (196, 4955635), (245, 3964508), (490, 1982254), (980, 991127)]