210065890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^2$

素因数の和:994

約数の個数: 24

約数和(自身を含む): 382458780

約数和(自身を除く): 172392890

約数列:

[1, 2, 5, 10, 109, 218, 439, 545, 878, 1090, 2195, 4390, 47851, 95702, 192721, 239255, 385442, 478510, 963605, 1927210, 21006589, 42013178, 105032945, 210065890]

約数ペア:

[(1, 210065890), (2, 105032945), (5, 42013178), (10, 21006589), (109, 1927210), (218, 963605), (439, 478510), (545, 385442), (878, 239255), (1090, 192721), (2195, 95702), (4390, 47851)]