274820720

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8831}}^1$

素因数の和:9233

約数の個数: 40

約数和(自身を含む): 640673280

約数和(自身を除く): 365852560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 8831, 15560, 17662, 31120, 35324, 44155, 70648, 88310, 141296, 176620, 353240, 706480, 3435259, 6870518, 13741036, 17176295, 27482072, 34352590, 54964144, 68705180, 137410360, 274820720]

約数ペア:

[(1, 274820720), (2, 137410360), (4, 68705180), (5, 54964144), (8, 34352590), (10, 27482072), (16, 17176295), (20, 13741036), (40, 6870518), (80, 3435259), (389, 706480), (778, 353240), (1556, 176620), (1945, 141296), (3112, 88310), (3890, 70648), (6224, 44155), (7780, 35324), (8831, 31120), (15560, 17662)]