340429904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{153071}}^1$

素因数の和:153218

約数の個数: 20

約数和(自身を含む): 664332480

約数和(自身を除く): 323902576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 153071, 306142, 612284, 1224568, 2449136, 21276869, 42553738, 85107476, 170214952, 340429904]

約数ペア:

[(1, 340429904), (2, 170214952), (4, 85107476), (8, 42553738), (16, 21276869), (139, 2449136), (278, 1224568), (556, 612284), (1112, 306142), (2224, 153071)]