876411220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{617191}}^1$

素因数の和:617271

約数の個数: 24

約数和(自身を含む): 1866388608

約数和(自身を除く): 989977388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 617191, 1234382, 2468764, 3085955, 6171910, 12343820, 43820561, 87641122, 175282244, 219102805, 438205610, 876411220]

約数ペア:

[(1, 876411220), (2, 438205610), (4, 219102805), (5, 175282244), (10, 87641122), (20, 43820561), (71, 12343820), (142, 6171910), (284, 3085955), (355, 2468764), (710, 1234382), (1420, 617191)]