1391180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 3521280

約数和(自身を除く): 2130100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 523, 532, 665, 1046, 1330, 2092, 2615, 2660, 3661, 5230, 7322, 9937, 10460, 14644, 18305, 19874, 36610, 39748, 49685, 69559, 73220, 99370, 139118, 198740, 278236, 347795, 695590, 1391180]

約数ペア:

[(1, 1391180), (2, 695590), (4, 347795), (5, 278236), (7, 198740), (10, 139118), (14, 99370), (19, 73220), (20, 69559), (28, 49685), (35, 39748), (38, 36610), (70, 19874), (76, 18305), (95, 14644), (133, 10460), (140, 9937), (190, 7322), (266, 5230), (380, 3661), (523, 2660), (532, 2615), (665, 2092), (1046, 1330)]