153368440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{19463}}^1$

素因数の和:19671

約数の個数: 32

約数和(自身を含む): 346848480

約数和(自身を除く): 193480040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 19463, 38926, 77852, 97315, 155704, 194630, 389260, 778520, 3834211, 7668422, 15336844, 19171055, 30673688, 38342110, 76684220, 153368440]

約数ペア:

[(1, 153368440), (2, 76684220), (4, 38342110), (5, 30673688), (8, 19171055), (10, 15336844), (20, 7668422), (40, 3834211), (197, 778520), (394, 389260), (788, 194630), (985, 155704), (1576, 97315), (1970, 77852), (3940, 38926), (7880, 19463)]