6999400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 16516800

約数和(自身を除く): 9517400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 443, 632, 790, 886, 1580, 1772, 1975, 2215, 3160, 3544, 3950, 4430, 7900, 8860, 11075, 15800, 17720, 22150, 34997, 44300, 69994, 88600, 139988, 174985, 279976, 349970, 699940, 874925, 1399880, 1749850, 3499700, 6999400]

約数ペア:

[(1, 6999400), (2, 3499700), (4, 1749850), (5, 1399880), (8, 874925), (10, 699940), (20, 349970), (25, 279976), (40, 174985), (50, 139988), (79, 88600), (100, 69994), (158, 44300), (200, 34997), (316, 22150), (395, 17720), (443, 15800), (632, 11075), (790, 8860), (886, 7900), (1580, 4430), (1772, 3950), (1975, 3544), (2215, 3160)]