161708900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{19483}}^1$

素因数の和:19580

約数の個数: 36

約数和(自身を含む): 355154352

約数和(自身を除く): 193445452

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 4150, 8300, 19483, 38966, 77932, 97415, 194830, 389660, 487075, 974150, 1617089, 1948300, 3234178, 6468356, 8085445, 16170890, 32341780, 40427225, 80854450, 161708900]

約数ペア:

[(1, 161708900), (2, 80854450), (4, 40427225), (5, 32341780), (10, 16170890), (20, 8085445), (25, 6468356), (50, 3234178), (83, 1948300), (100, 1617089), (166, 974150), (332, 487075), (415, 389660), (830, 194830), (1660, 97415), (2075, 77932), (4150, 38966), (8300, 19483)]