218369510

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2251}}^1$

素因数の和:2456

約数の個数: 32

約数和(自身を含む): 401306400

約数和(自身を除く): 182936890

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 445, 545, 890, 1090, 2251, 4502, 9701, 11255, 19402, 22510, 48505, 97010, 200339, 245359, 400678, 490718, 1001695, 1226795, 2003390, 2453590, 21836951, 43673902, 109184755, 218369510]

約数ペア:

[(1, 218369510), (2, 109184755), (5, 43673902), (10, 21836951), (89, 2453590), (109, 2003390), (178, 1226795), (218, 1001695), (445, 490718), (545, 400678), (890, 245359), (1090, 200339), (2251, 97010), (4502, 48505), (9701, 22510), (11255, 19402)]