199987400

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{8849}}^1$

素因数の和:8978

約数の個数: 48

約数和(自身を含む): 469138500

約数和(自身を除く): 269151100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 200, 226, 452, 565, 904, 1130, 2260, 2825, 4520, 5650, 8849, 11300, 17698, 22600, 35396, 44245, 70792, 88490, 176980, 221225, 353960, 442450, 884900, 999937, 1769800, 1999874, 3999748, 4999685, 7999496, 9999370, 19998740, 24998425, 39997480, 49996850, 99993700, 199987400]

約数ペア:

[(1, 199987400), (2, 99993700), (4, 49996850), (5, 39997480), (8, 24998425), (10, 19998740), (20, 9999370), (25, 7999496), (40, 4999685), (50, 3999748), (100, 1999874), (113, 1769800), (200, 999937), (226, 884900), (452, 442450), (565, 353960), (904, 221225), (1130, 176980), (2260, 88490), (2825, 70792), (4520, 44245), (5650, 35396), (8849, 22600), (11300, 17698)]