268835720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{216803}}^1$

素因数の和:216845

約数の個数: 32

約数和(自身を含む): 624395520

約数和(自身を除く): 355559800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 216803, 433606, 867212, 1084015, 1734424, 2168030, 4336060, 6720893, 8672120, 13441786, 26883572, 33604465, 53767144, 67208930, 134417860, 268835720]

約数ペア:

[(1, 268835720), (2, 134417860), (4, 67208930), (5, 53767144), (8, 33604465), (10, 26883572), (20, 13441786), (31, 8672120), (40, 6720893), (62, 4336060), (124, 2168030), (155, 1734424), (248, 1084015), (310, 867212), (620, 433606), (1240, 216803)]