2009356720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{512591}}^1$

素因数の和:512618

約数の個数: 60

約数和(自身を含む): 5434500384

約数和(自身を除く): 3425143664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 512591, 1025182, 2050364, 2562955, 3588137, 4100728, 5125910, 7176274, 8201456, 10251820, 14352548, 17940685, 20503640, 25116959, 28705096, 35881370, 41007280, 50233918, 57410192, 71762740, 100467836, 125584795, 143525480, 200935672, 251169590, 287050960, 401871344, 502339180, 1004678360, 2009356720]

約数ペア:

[(1, 2009356720), (2, 1004678360), (4, 502339180), (5, 401871344), (7, 287050960), (8, 251169590), (10, 200935672), (14, 143525480), (16, 125584795), (20, 100467836), (28, 71762740), (35, 57410192), (40, 50233918), (49, 41007280), (56, 35881370), (70, 28705096), (80, 25116959), (98, 20503640), (112, 17940685), (140, 14352548), (196, 10251820), (245, 8201456), (280, 7176274), (392, 5125910), (490, 4100728), (560, 3588137), (784, 2562955), (980, 2050364), (1960, 1025182), (3920, 512591)]