9798040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4999}}^1$

素因数の和:5024

約数の個数: 48

約数和(自身を含む): 25650000

約数和(自身を除く): 15851960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4999, 9998, 19996, 24995, 34993, 39992, 49990, 69986, 99980, 139972, 174965, 199960, 244951, 279944, 349930, 489902, 699860, 979804, 1224755, 1399720, 1959608, 2449510, 4899020, 9798040]

約数ペア:

[(1, 9798040), (2, 4899020), (4, 2449510), (5, 1959608), (7, 1399720), (8, 1224755), (10, 979804), (14, 699860), (20, 489902), (28, 349930), (35, 279944), (40, 244951), (49, 199960), (56, 174965), (70, 139972), (98, 99980), (140, 69986), (196, 49990), (245, 39992), (280, 34993), (392, 24995), (490, 19996), (980, 9998), (1960, 4999)]