8991569090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{35221}}^1$

素因数の和:35763

約数の個数: 48

約数和(自身を含む): 18863916984

約数和(自身を除く): 9872347894

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 521, 1042, 2605, 3647, 5210, 7294, 18235, 25529, 35221, 36470, 51058, 70442, 127645, 176105, 246547, 255290, 352210, 493094, 1232735, 1725829, 2465470, 3451658, 8629145, 17258290, 18350141, 36700282, 91750705, 128450987, 183501410, 256901974, 642254935, 899156909, 1284509870, 1798313818, 4495784545, 8991569090]

約数ペア:

[(1, 8991569090), (2, 4495784545), (5, 1798313818), (7, 1284509870), (10, 899156909), (14, 642254935), (35, 256901974), (49, 183501410), (70, 128450987), (98, 91750705), (245, 36700282), (490, 18350141), (521, 17258290), (1042, 8629145), (2605, 3451658), (3647, 2465470), (5210, 1725829), (7294, 1232735), (18235, 493094), (25529, 352210), (35221, 255290), (36470, 246547), (51058, 176105), (70442, 127645)]