218298160

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{9851}}^1$

素因数の和:10141

約数の個数: 40

約数和(自身を含む): 509427216

約数和(自身を除く): 291129056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 9851, 11080, 19702, 22160, 39404, 49255, 78808, 98510, 157616, 197020, 394040, 788080, 2728727, 5457454, 10914908, 13643635, 21829816, 27287270, 43659632, 54574540, 109149080, 218298160]

約数ペア:

[(1, 218298160), (2, 109149080), (4, 54574540), (5, 43659632), (8, 27287270), (10, 21829816), (16, 13643635), (20, 10914908), (40, 5457454), (80, 2728727), (277, 788080), (554, 394040), (1108, 197020), (1385, 157616), (2216, 98510), (2770, 78808), (4432, 49255), (5540, 39404), (9851, 22160), (11080, 19702)]