208985000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{853}}^1$

素因数の和:893

約数の個数: 120

約数和(自身を含む): 570262770

約数和(自身を除く): 361277770

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 625, 700, 853, 875, 980, 1000, 1225, 1250, 1400, 1706, 1750, 1960, 2450, 2500, 3412, 3500, 4265, 4375, 4900, 5000, 5971, 6125, 6824, 7000, 8530, 8750, 9800, 11942, 12250, 17060, 17500, 21325, 23884, 24500, 29855, 30625, 34120, 35000, 41797, 42650, 47768, 49000, 59710, 61250, 83594, 85300, 106625, 119420, 122500, 149275, 167188, 170600, 208985, 213250, 238840, 245000, 298550, 334376, 417970, 426500, 533125, 597100, 746375, 835940, 853000, 1044925, 1066250, 1194200, 1492750, 1671880, 2089850, 2132500, 2985500, 3731875, 4179700, 4265000, 5224625, 5971000, 7463750, 8359400, 10449250, 14927500, 20898500, 26123125, 29855000, 41797000, 52246250, 104492500, 208985000]

約数ペア:

[(1, 208985000), (2, 104492500), (4, 52246250), (5, 41797000), (7, 29855000), (8, 26123125), (10, 20898500), (14, 14927500), (20, 10449250), (25, 8359400), (28, 7463750), (35, 5971000), (40, 5224625), (49, 4265000), (50, 4179700), (56, 3731875), (70, 2985500), (98, 2132500), (100, 2089850), (125, 1671880), (140, 1492750), (175, 1194200), (196, 1066250), (200, 1044925), (245, 853000), (250, 835940), (280, 746375), (350, 597100), (392, 533125), (490, 426500), (500, 417970), (625, 334376), (700, 298550), (853, 245000), (875, 238840), (980, 213250), (1000, 208985), (1225, 170600), (1250, 167188), (1400, 149275), (1706, 122500), (1750, 119420), (1960, 106625), (2450, 85300), (2500, 83594), (3412, 61250), (3500, 59710), (4265, 49000), (4375, 47768), (4900, 42650), (5000, 41797), (5971, 35000), (6125, 34120), (6824, 30625), (7000, 29855), (8530, 24500), (8750, 23884), (9800, 21325), (11942, 17500), (12250, 17060)]