211380940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{340937}}^1$

素因数の和:340977

約数の個数: 24

約数和(自身を含む): 458220672

約数和(自身を除く): 246839732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 340937, 681874, 1363748, 1704685, 3409370, 6818740, 10569047, 21138094, 42276188, 52845235, 105690470, 211380940]

約数ペア:

[(1, 211380940), (2, 105690470), (4, 52845235), (5, 42276188), (10, 21138094), (20, 10569047), (31, 6818740), (62, 3409370), (124, 1704685), (155, 1363748), (310, 681874), (620, 340937)]