209436280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{141511}}^1$

素因数の和:141559

約数の個数: 32

約数和(自身を含む): 483971040

約数和(自身を除く): 274534760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 141511, 283022, 566044, 707555, 1132088, 1415110, 2830220, 5235907, 5660440, 10471814, 20943628, 26179535, 41887256, 52359070, 104718140, 209436280]

約数ペア:

[(1, 209436280), (2, 104718140), (4, 52359070), (5, 41887256), (8, 26179535), (10, 20943628), (20, 10471814), (37, 5660440), (40, 5235907), (74, 2830220), (148, 1415110), (185, 1132088), (296, 707555), (370, 566044), (740, 283022), (1480, 141511)]