19937182500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{886097}}^1$

素因数の和:886127

約数の個数: 90

約数和(自身を含む): 62975870958

約数和(自身を除く): 43038688458

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3750, 4500, 5625, 7500, 11250, 22500, 886097, 1772194, 2658291, 3544388, 4430485, 5316582, 7974873, 8860970, 10633164, 13291455, 15949746, 17721940, 22152425, 26582910, 31899492, 39874365, 44304850, 53165820, 66457275, 79748730, 88609700, 110762125, 132914550, 159497460, 199371825, 221524250, 265829100, 332286375, 398743650, 443048500, 553810625, 664572750, 797487300, 996859125, 1107621250, 1329145500, 1661431875, 1993718250, 2215242500, 3322863750, 3987436500, 4984295625, 6645727500, 9968591250, 19937182500]

約数ペア:

[(1, 19937182500), (2, 9968591250), (3, 6645727500), (4, 4984295625), (5, 3987436500), (6, 3322863750), (9, 2215242500), (10, 1993718250), (12, 1661431875), (15, 1329145500), (18, 1107621250), (20, 996859125), (25, 797487300), (30, 664572750), (36, 553810625), (45, 443048500), (50, 398743650), (60, 332286375), (75, 265829100), (90, 221524250), (100, 199371825), (125, 159497460), (150, 132914550), (180, 110762125), (225, 88609700), (250, 79748730), (300, 66457275), (375, 53165820), (450, 44304850), (500, 39874365), (625, 31899492), (750, 26582910), (900, 22152425), (1125, 17721940), (1250, 15949746), (1500, 13291455), (1875, 10633164), (2250, 8860970), (2500, 7974873), (3750, 5316582), (4500, 4430485), (5625, 3544388), (7500, 2658291), (11250, 1772194), (22500, 886097)]