156947195510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{320300399}}^1$

素因数の和:320300420

約数の個数: 24

約数和(自身を含む): 328628210400

約数和(自身を除く): 171681014890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 320300399, 640600798, 1601501995, 2242102793, 3203003990, 4484205586, 11210513965, 15694719551, 22421027930, 31389439102, 78473597755, 156947195510]

約数ペア:

[(1, 156947195510), (2, 78473597755), (5, 31389439102), (7, 22421027930), (10, 15694719551), (14, 11210513965), (35, 4484205586), (49, 3203003990), (70, 2242102793), (98, 1601501995), (245, 640600798), (490, 320300399)]