68947780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313399}}^1$

素因数の和:313419

約数の個数: 24

約数和(自身を含む): 157953600

約数和(自身を除く): 89005820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313399, 626798, 1253596, 1566995, 3133990, 3447389, 6267980, 6894778, 13789556, 17236945, 34473890, 68947780]

約数ペア:

[(1, 68947780), (2, 34473890), (4, 17236945), (5, 13789556), (10, 6894778), (11, 6267980), (20, 3447389), (22, 3133990), (44, 1566995), (55, 1253596), (110, 626798), (220, 313399)]