228719960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{816857}}^1$

素因数の和:816875

約数の個数: 32

約数和(自身を含む): 588137760

約数和(自身を除く): 359417800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 816857, 1633714, 3267428, 4084285, 5717999, 6534856, 8168570, 11435998, 16337140, 22871996, 28589995, 32674280, 45743992, 57179990, 114359980, 228719960]

約数ペア:

[(1, 228719960), (2, 114359980), (4, 57179990), (5, 45743992), (7, 32674280), (8, 28589995), (10, 22871996), (14, 16337140), (20, 11435998), (28, 8168570), (35, 6534856), (40, 5717999), (56, 4084285), (70, 3267428), (140, 1633714), (280, 816857)]