278322280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239933}}^1$

素因数の和:239973

約数の個数: 32

約数和(自身を含む): 647821800

約数和(自身を除く): 369499520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 239933, 479866, 959732, 1199665, 1919464, 2399330, 4798660, 6958057, 9597320, 13916114, 27832228, 34790285, 55664456, 69580570, 139161140, 278322280]

約数ペア:

[(1, 278322280), (2, 139161140), (4, 69580570), (5, 55664456), (8, 34790285), (10, 27832228), (20, 13916114), (29, 9597320), (40, 6958057), (58, 4798660), (116, 2399330), (145, 1919464), (232, 1199665), (290, 959732), (580, 479866), (1160, 239933)]