396973010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{810149}}^1$

素因数の和:810170

約数の個数: 24

約数和(自身を含む): 831213900

約数和(自身を除く): 434240890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 810149, 1620298, 4050745, 5671043, 8101490, 11342086, 28355215, 39697301, 56710430, 79394602, 198486505, 396973010]

約数ペア:

[(1, 396973010), (2, 198486505), (5, 79394602), (7, 56710430), (10, 39697301), (14, 28355215), (35, 11342086), (49, 8101490), (70, 5671043), (98, 4050745), (245, 1620298), (490, 810149)]