9986690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 21238200

約数和(自身を除く): 11251510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 229, 245, 445, 458, 490, 623, 890, 1145, 1246, 1603, 2290, 3115, 3206, 4361, 6230, 8015, 8722, 11221, 16030, 20381, 21805, 22442, 40762, 43610, 56105, 101905, 112210, 142667, 203810, 285334, 713335, 998669, 1426670, 1997338, 4993345, 9986690]

約数ペア:

[(1, 9986690), (2, 4993345), (5, 1997338), (7, 1426670), (10, 998669), (14, 713335), (35, 285334), (49, 203810), (70, 142667), (89, 112210), (98, 101905), (178, 56105), (229, 43610), (245, 40762), (445, 22442), (458, 21805), (490, 20381), (623, 16030), (890, 11221), (1145, 8722), (1246, 8015), (1603, 6230), (2290, 4361), (3115, 3206)]