219024560

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{27107}}^1$

素因数の和:27221

約数の個数: 40

約数和(自身を含む): 514292976

約数和(自身を除く): 295268416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 27107, 54214, 108428, 135535, 216856, 271070, 433712, 542140, 1084280, 2168560, 2737807, 5475614, 10951228, 13689035, 21902456, 27378070, 43804912, 54756140, 109512280, 219024560]

約数ペア:

[(1, 219024560), (2, 109512280), (4, 54756140), (5, 43804912), (8, 27378070), (10, 21902456), (16, 13689035), (20, 10951228), (40, 5475614), (80, 2737807), (101, 2168560), (202, 1084280), (404, 542140), (505, 433712), (808, 271070), (1010, 216856), (1616, 135535), (2020, 108428), (4040, 54214), (8080, 27107)]