208809280

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22501}}^1$

素因数の和:22547

約数の個数: 56

約数和(自身を含む): 514395720

約数和(自身を除く): 305586440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 22501, 45002, 90004, 112505, 180008, 225010, 360016, 450020, 652529, 720032, 900040, 1305058, 1440064, 1800080, 2610116, 3262645, 3600160, 5220232, 6525290, 7200320, 10440464, 13050580, 20880928, 26101160, 41761856, 52202320, 104404640, 208809280]

約数ペア:

[(1, 208809280), (2, 104404640), (4, 52202320), (5, 41761856), (8, 26101160), (10, 20880928), (16, 13050580), (20, 10440464), (29, 7200320), (32, 6525290), (40, 5220232), (58, 3600160), (64, 3262645), (80, 2610116), (116, 1800080), (145, 1440064), (160, 1305058), (232, 900040), (290, 720032), (320, 652529), (464, 450020), (580, 360016), (928, 225010), (1160, 180008), (1856, 112505), (2320, 90004), (4640, 45002), (9280, 22501)]