161190890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{328961}}^1$

素因数の和:328982

約数の個数: 24

約数和(自身を含む): 337515012

約数和(自身を除く): 176324122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 328961, 657922, 1644805, 2302727, 3289610, 4605454, 11513635, 16119089, 23027270, 32238178, 80595445, 161190890]

約数ペア:

[(1, 161190890), (2, 80595445), (5, 32238178), (7, 23027270), (10, 16119089), (14, 11513635), (35, 4605454), (49, 3289610), (70, 2302727), (98, 1644805), (245, 657922), (490, 328961)]