280842716

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{130261}}^1$

素因数の和:130290

約数の個数: 36

約数和(自身を含む): 623694456

約数和(自身を除く): 342851740

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 130261, 260522, 521044, 911827, 1432871, 1823654, 2865742, 3647308, 5731484, 6382789, 10030097, 12765578, 20060194, 25531156, 40120388, 70210679, 140421358, 280842716]

約数ペア:

[(1, 280842716), (2, 140421358), (4, 70210679), (7, 40120388), (11, 25531156), (14, 20060194), (22, 12765578), (28, 10030097), (44, 6382789), (49, 5731484), (77, 3647308), (98, 2865742), (154, 1823654), (196, 1432871), (308, 911827), (539, 521044), (1078, 260522), (2156, 130261)]