1231505980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{2927}}^1$

素因数の和:3238

約数の個数: 48

約数和(自身を含む): 2624307840

約数和(自身を除く): 1392801860

約数列:

[1, 2, 4, 5, 10, 20, 109, 193, 218, 386, 436, 545, 772, 965, 1090, 1930, 2180, 2927, 3860, 5854, 11708, 14635, 21037, 29270, 42074, 58540, 84148, 105185, 210370, 319043, 420740, 564911, 638086, 1129822, 1276172, 1595215, 2259644, 2824555, 3190430, 5649110, 6380860, 11298220, 61575299, 123150598, 246301196, 307876495, 615752990, 1231505980]

約数ペア:

[(1, 1231505980), (2, 615752990), (4, 307876495), (5, 246301196), (10, 123150598), (20, 61575299), (109, 11298220), (193, 6380860), (218, 5649110), (386, 3190430), (436, 2824555), (545, 2259644), (772, 1595215), (965, 1276172), (1090, 1129822), (1930, 638086), (2180, 564911), (2927, 420740), (3860, 319043), (5854, 210370), (11708, 105185), (14635, 84148), (21037, 58540), (29270, 42074)]