2019742900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{4013}}^1$

素因数の和:4753

約数の個数: 72

約数和(自身を含む): 5017178880

約数和(自身を除く): 2997435980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 719, 1438, 2876, 3595, 4013, 5033, 7190, 8026, 10066, 14380, 16052, 17975, 20065, 20132, 25165, 28091, 35950, 40130, 50330, 56182, 71900, 80260, 100325, 100660, 112364, 125825, 140455, 200650, 251650, 280910, 401300, 503300, 561820, 702275, 1404550, 2809100, 2885347, 5770694, 11541388, 14426735, 20197429, 28853470, 40394858, 57706940, 72133675, 80789716, 100987145, 144267350, 201974290, 288534700, 403948580, 504935725, 1009871450, 2019742900]

約数ペア:

[(1, 2019742900), (2, 1009871450), (4, 504935725), (5, 403948580), (7, 288534700), (10, 201974290), (14, 144267350), (20, 100987145), (25, 80789716), (28, 72133675), (35, 57706940), (50, 40394858), (70, 28853470), (100, 20197429), (140, 14426735), (175, 11541388), (350, 5770694), (700, 2885347), (719, 2809100), (1438, 1404550), (2876, 702275), (3595, 561820), (4013, 503300), (5033, 401300), (7190, 280910), (8026, 251650), (10066, 200650), (14380, 140455), (16052, 125825), (17975, 112364), (20065, 100660), (20132, 100325), (25165, 80260), (28091, 71900), (35950, 56182), (40130, 50330)]