263273020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{2281}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 575064000

約数和(自身を除く): 311790980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 796, 995, 1990, 2281, 3980, 4562, 5771, 9124, 11405, 11542, 22810, 23084, 28855, 45620, 57710, 66149, 115420, 132298, 264596, 330745, 453919, 661490, 907838, 1322980, 1815676, 2269595, 4539190, 9078380, 13163651, 26327302, 52654604, 65818255, 131636510, 263273020]

約数ペア:

[(1, 263273020), (2, 131636510), (4, 65818255), (5, 52654604), (10, 26327302), (20, 13163651), (29, 9078380), (58, 4539190), (116, 2269595), (145, 1815676), (199, 1322980), (290, 907838), (398, 661490), (580, 453919), (796, 330745), (995, 264596), (1990, 132298), (2281, 115420), (3980, 66149), (4562, 57710), (5771, 45620), (9124, 28855), (11405, 23084), (11542, 22810)]