142839400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{64927}}^1$

素因数の和:64954

約数の個数: 48

約数和(自身を含む): 362298240

約数和(自身を除く): 219458840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 64927, 129854, 259708, 324635, 519416, 649270, 714197, 1298540, 1428394, 1623175, 2597080, 2856788, 3246350, 3570985, 5713576, 6492700, 7141970, 12985400, 14283940, 17854925, 28567880, 35709850, 71419700, 142839400]

約数ペア:

[(1, 142839400), (2, 71419700), (4, 35709850), (5, 28567880), (8, 17854925), (10, 14283940), (11, 12985400), (20, 7141970), (22, 6492700), (25, 5713576), (40, 3570985), (44, 3246350), (50, 2856788), (55, 2597080), (88, 1623175), (100, 1428394), (110, 1298540), (200, 714197), (220, 649270), (275, 519416), (440, 324635), (550, 259708), (1100, 129854), (2200, 64927)]