88910990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 187043904

約数和(自身を除く): 98132914

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 421, 431, 490, 842, 862, 2105, 2155, 2947, 3017, 4210, 4310, 5894, 6034, 14735, 15085, 20629, 21119, 29470, 30170, 41258, 42238, 103145, 105595, 181451, 206290, 211190, 362902, 907255, 1270157, 1814510, 2540314, 6350785, 8891099, 12701570, 17782198, 44455495, 88910990]

約数ペア:

[(1, 88910990), (2, 44455495), (5, 17782198), (7, 12701570), (10, 8891099), (14, 6350785), (35, 2540314), (49, 1814510), (70, 1270157), (98, 907255), (245, 362902), (421, 211190), (431, 206290), (490, 181451), (842, 105595), (862, 103145), (2105, 42238), (2155, 41258), (2947, 30170), (3017, 29470), (4210, 21119), (4310, 20629), (5894, 15085), (6034, 14735)]