227279920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{405857}}^1$

素因数の和:405877

約数の個数: 40

約数和(自身を含む): 603916704

約数和(自身を除く): 376636784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 405857, 811714, 1623428, 2029285, 2840999, 3246856, 4058570, 5681998, 6493712, 8117140, 11363996, 14204995, 16234280, 22727992, 28409990, 32468560, 45455984, 56819980, 113639960, 227279920]

約数ペア:

[(1, 227279920), (2, 113639960), (4, 56819980), (5, 45455984), (7, 32468560), (8, 28409990), (10, 22727992), (14, 16234280), (16, 14204995), (20, 11363996), (28, 8117140), (35, 6493712), (40, 5681998), (56, 4058570), (70, 3246856), (80, 2840999), (112, 2029285), (140, 1623428), (280, 811714), (560, 405857)]