804989780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{338231}}^1$

素因数の和:338264

約数の個数: 48

約数和(自身を含む): 2045627136

約数和(自身を除く): 1240637356

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 338231, 676462, 1352924, 1691155, 2367617, 3382310, 4735234, 5749927, 6764620, 9470468, 11499854, 11838085, 22999708, 23676170, 28749635, 40249489, 47352340, 57499270, 80498978, 114998540, 160997956, 201247445, 402494890, 804989780]

約数ペア:

[(1, 804989780), (2, 402494890), (4, 201247445), (5, 160997956), (7, 114998540), (10, 80498978), (14, 57499270), (17, 47352340), (20, 40249489), (28, 28749635), (34, 23676170), (35, 22999708), (68, 11838085), (70, 11499854), (85, 9470468), (119, 6764620), (140, 5749927), (170, 4735234), (238, 3382310), (340, 2367617), (476, 1691155), (595, 1352924), (1190, 676462), (2380, 338231)]