1214898040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{427781}}^1$

素因数の和:427863

約数の個数: 32

約数和(自身を含む): 2772027360

約数和(自身を除く): 1557129320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 427781, 855562, 1711124, 2138905, 3422248, 4277810, 8555620, 17111240, 30372451, 60744902, 121489804, 151862255, 242979608, 303724510, 607449020, 1214898040]

約数ペア:

[(1, 1214898040), (2, 607449020), (4, 303724510), (5, 242979608), (8, 151862255), (10, 121489804), (20, 60744902), (40, 30372451), (71, 17111240), (142, 8555620), (284, 4277810), (355, 3422248), (568, 2138905), (710, 1711124), (1420, 855562), (2840, 427781)]