275599960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{63211}}^1$

素因数の和:63331

約数の個数: 32

約数和(自身を含む): 625798800

約数和(自身を除く): 350198840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 63211, 126422, 252844, 316055, 505688, 632110, 1264220, 2528440, 6889999, 13779998, 27559996, 34449995, 55119992, 68899990, 137799980, 275599960]

約数ペア:

[(1, 275599960), (2, 137799980), (4, 68899990), (5, 55119992), (8, 34449995), (10, 27559996), (20, 13779998), (40, 6889999), (109, 2528440), (218, 1264220), (436, 632110), (545, 505688), (872, 316055), (1090, 252844), (2180, 126422), (4360, 63211)]