149874220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{84199}}^1$

素因数の和:84297

約数の個数: 24

約数和(自身を含む): 318276000

約数和(自身を除く): 168401780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 84199, 168398, 336796, 420995, 841990, 1683980, 7493711, 14987422, 29974844, 37468555, 74937110, 149874220]

約数ペア:

[(1, 149874220), (2, 74937110), (4, 37468555), (5, 29974844), (10, 14987422), (20, 7493711), (89, 1683980), (178, 841990), (356, 420995), (445, 336796), (890, 168398), (1780, 84199)]