205901920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{26263}}^1$

素因数の和:26292

約数の個数: 72

約数和(自身を含む): 565884144

約数和(自身を除く): 359982224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 26263, 52526, 105052, 131315, 183841, 210104, 262630, 367682, 420208, 525260, 735364, 840416, 919205, 1050520, 1286887, 1470728, 1838410, 2101040, 2573774, 2941456, 3676820, 4202080, 5147548, 5882912, 6434435, 7353640, 10295096, 12868870, 14707280, 20590192, 25737740, 29414560, 41180384, 51475480, 102950960, 205901920]

約数ペア:

[(1, 205901920), (2, 102950960), (4, 51475480), (5, 41180384), (7, 29414560), (8, 25737740), (10, 20590192), (14, 14707280), (16, 12868870), (20, 10295096), (28, 7353640), (32, 6434435), (35, 5882912), (40, 5147548), (49, 4202080), (56, 3676820), (70, 2941456), (80, 2573774), (98, 2101040), (112, 1838410), (140, 1470728), (160, 1286887), (196, 1050520), (224, 919205), (245, 840416), (280, 735364), (392, 525260), (490, 420208), (560, 367682), (784, 262630), (980, 210104), (1120, 183841), (1568, 131315), (1960, 105052), (3920, 52526), (7840, 26263)]