89135900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{18191}}^1$

素因数の和:18219

約数の個数: 54

約数和(自身を含む): 225016848

約数和(自身を除く): 135880948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 18191, 36382, 72764, 90955, 127337, 181910, 254674, 363820, 454775, 509348, 636685, 891359, 909550, 1273370, 1782718, 1819100, 2546740, 3183425, 3565436, 4456795, 6366850, 8913590, 12733700, 17827180, 22283975, 44567950, 89135900]

約数ペア:

[(1, 89135900), (2, 44567950), (4, 22283975), (5, 17827180), (7, 12733700), (10, 8913590), (14, 6366850), (20, 4456795), (25, 3565436), (28, 3183425), (35, 2546740), (49, 1819100), (50, 1782718), (70, 1273370), (98, 909550), (100, 891359), (140, 636685), (175, 509348), (196, 454775), (245, 363820), (350, 254674), (490, 181910), (700, 127337), (980, 90955), (1225, 72764), (2450, 36382), (4900, 18191)]