491923960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1118009}}^1$

素因数の和:1118031

約数の個数: 32

約数和(自身を含む): 1207450800

約数和(自身を除く): 715526840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1118009, 2236018, 4472036, 5590045, 8944072, 11180090, 12298099, 22360180, 24596198, 44720360, 49192396, 61490495, 98384792, 122980990, 245961980, 491923960]

約数ペア:

[(1, 491923960), (2, 245961980), (4, 122980990), (5, 98384792), (8, 61490495), (10, 49192396), (11, 44720360), (20, 24596198), (22, 22360180), (40, 12298099), (44, 11180090), (55, 8944072), (88, 5590045), (110, 4472036), (220, 2236018), (440, 1118009)]