321330260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{945089}}^1$

素因数の和:945115

約数の個数: 24

約数和(自身を含む): 714488040

約数和(自身を除く): 393157780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 945089, 1890178, 3780356, 4725445, 9450890, 16066513, 18901780, 32133026, 64266052, 80332565, 160665130, 321330260]

約数ペア:

[(1, 321330260), (2, 160665130), (4, 80332565), (5, 64266052), (10, 32133026), (17, 18901780), (20, 16066513), (34, 9450890), (68, 4725445), (85, 3780356), (170, 1890178), (340, 945089)]