208747260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{386569}}^1$

素因数の和:386587

約数の個数: 48

約数和(自身を含む): 649437600

約数和(自身を除く): 440690340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 386569, 773138, 1159707, 1546276, 1932845, 2319414, 3479121, 3865690, 4638828, 5798535, 6958242, 7731380, 10437363, 11597070, 13916484, 17395605, 20874726, 23194140, 34791210, 41749452, 52186815, 69582420, 104373630, 208747260]

約数ペア:

[(1, 208747260), (2, 104373630), (3, 69582420), (4, 52186815), (5, 41749452), (6, 34791210), (9, 23194140), (10, 20874726), (12, 17395605), (15, 13916484), (18, 11597070), (20, 10437363), (27, 7731380), (30, 6958242), (36, 5798535), (45, 4638828), (54, 3865690), (60, 3479121), (90, 2319414), (108, 1932845), (135, 1546276), (180, 1159707), (270, 773138), (540, 386569)]