194637640

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{18089}}^1$

素因数の和:18369

約数の個数: 32

約数和(自身を含む): 439587000

約数和(自身を除く): 244949360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 18089, 36178, 72356, 90445, 144712, 180890, 361780, 723560, 4865941, 9731882, 19463764, 24329705, 38927528, 48659410, 97318820, 194637640]

約数ペア:

[(1, 194637640), (2, 97318820), (4, 48659410), (5, 38927528), (8, 24329705), (10, 19463764), (20, 9731882), (40, 4865941), (269, 723560), (538, 361780), (1076, 180890), (1345, 144712), (2152, 90445), (2690, 72356), (5380, 36178), (10760, 18089)]