200487500

素因数分解:

$2^2\times 5^5\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 449939952

約数和(自身を除く): 249452452

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 373, 430, 500, 625, 746, 860, 1075, 1250, 1492, 1865, 2150, 2500, 3125, 3730, 4300, 5375, 6250, 7460, 9325, 10750, 12500, 16039, 18650, 21500, 26875, 32078, 37300, 46625, 53750, 64156, 80195, 93250, 107500, 134375, 160390, 186500, 233125, 268750, 320780, 400975, 466250, 537500, 801950, 932500, 1165625, 1603900, 2004875, 2331250, 4009750, 4662500, 8019500, 10024375, 20048750, 40097500, 50121875, 100243750, 200487500]

約数ペア:

[(1, 200487500), (2, 100243750), (4, 50121875), (5, 40097500), (10, 20048750), (20, 10024375), (25, 8019500), (43, 4662500), (50, 4009750), (86, 2331250), (100, 2004875), (125, 1603900), (172, 1165625), (215, 932500), (250, 801950), (373, 537500), (430, 466250), (500, 400975), (625, 320780), (746, 268750), (860, 233125), (1075, 186500), (1250, 160390), (1492, 134375), (1865, 107500), (2150, 93250), (2500, 80195), (3125, 64156), (3730, 53750), (4300, 46625), (5375, 37300), (6250, 32078), (7460, 26875), (9325, 21500), (10750, 18650), (12500, 16039)]