138409810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{25679}}^1$

素因数の和:25711

約数の個数: 48

約数和(自身を含む): 316172160

約数和(自身を除く): 177762350

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 25679, 51358, 128395, 179753, 256790, 282469, 359506, 564938, 898765, 1258271, 1412345, 1797530, 1977283, 2516542, 2824690, 3954566, 6291355, 9886415, 12582710, 13840981, 19772830, 27681962, 69204905, 138409810]

約数ペア:

[(1, 138409810), (2, 69204905), (5, 27681962), (7, 19772830), (10, 13840981), (11, 12582710), (14, 9886415), (22, 6291355), (35, 3954566), (49, 2824690), (55, 2516542), (70, 1977283), (77, 1797530), (98, 1412345), (110, 1258271), (154, 898765), (245, 564938), (385, 359506), (490, 282469), (539, 256790), (770, 179753), (1078, 128395), (2695, 51358), (5390, 25679)]