55162780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 118389600

約数和(自身を除く): 63226820

約数列:

[1, 2, 4, 5, 10, 20, 107, 149, 173, 214, 298, 346, 428, 535, 596, 692, 745, 865, 1070, 1490, 1730, 2140, 2980, 3460, 15943, 18511, 25777, 31886, 37022, 51554, 63772, 74044, 79715, 92555, 103108, 128885, 159430, 185110, 257770, 318860, 370220, 515540, 2758139, 5516278, 11032556, 13790695, 27581390, 55162780]

約数ペア:

[(1, 55162780), (2, 27581390), (4, 13790695), (5, 11032556), (10, 5516278), (20, 2758139), (107, 515540), (149, 370220), (173, 318860), (214, 257770), (298, 185110), (346, 159430), (428, 128885), (535, 103108), (596, 92555), (692, 79715), (745, 74044), (865, 63772), (1070, 51554), (1490, 37022), (1730, 31886), (2140, 25777), (2980, 18511), (3460, 15943)]