206670820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{1021}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 450702000

約数和(自身を除く): 244031180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 349, 580, 698, 1021, 1396, 1745, 2042, 3490, 4084, 5105, 6980, 10121, 10210, 20242, 20420, 29609, 40484, 50605, 59218, 101210, 118436, 148045, 202420, 296090, 356329, 592180, 712658, 1425316, 1781645, 3563290, 7126580, 10333541, 20667082, 41334164, 51667705, 103335410, 206670820]

約数ペア:

[(1, 206670820), (2, 103335410), (4, 51667705), (5, 41334164), (10, 20667082), (20, 10333541), (29, 7126580), (58, 3563290), (116, 1781645), (145, 1425316), (290, 712658), (349, 592180), (580, 356329), (698, 296090), (1021, 202420), (1396, 148045), (1745, 118436), (2042, 101210), (3490, 59218), (4084, 50605), (5105, 40484), (6980, 29609), (10121, 20420), (10210, 20242)]