56839720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{202999}}^1$

素因数の和:203017

約数の個数: 32

約数和(自身を含む): 146160000

約数和(自身を除く): 89320280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 202999, 405998, 811996, 1014995, 1420993, 1623992, 2029990, 2841986, 4059980, 5683972, 7104965, 8119960, 11367944, 14209930, 28419860, 56839720]

約数ペア:

[(1, 56839720), (2, 28419860), (4, 14209930), (5, 11367944), (7, 8119960), (8, 7104965), (10, 5683972), (14, 4059980), (20, 2841986), (28, 2029990), (35, 1623992), (40, 1420993), (56, 1014995), (70, 811996), (140, 405998), (280, 202999)]