1099780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4999}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 2520000

約数和(自身を除く): 1420220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 4999, 9998, 19996, 24995, 49990, 54989, 99980, 109978, 219956, 274945, 549890, 1099780]

約数ペア:

[(1, 1099780), (2, 549890), (4, 274945), (5, 219956), (10, 109978), (11, 99980), (20, 54989), (22, 49990), (44, 24995), (55, 19996), (110, 9998), (220, 4999)]